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Viewing changes to bzrlib/tests/test_selftest.py

  • Committer: Martin Pool
  • Date: 2005-07-28 11:56:24 UTC
  • Revision ID: mbp@sourcefrog.net-20050728115624-93c11c2b1e399023
- note changes to command line parsing

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1
 
# Copyright (C) 2005-2010 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
 
 
17
 
"""Tests for the test framework."""
18
 
 
19
 
from cStringIO import StringIO
20
 
from doctest import ELLIPSIS
21
 
import os
22
 
import signal
23
 
import sys
24
 
import threading
25
 
import time
26
 
import unittest
27
 
import warnings
28
 
 
29
 
from testtools import MultiTestResult
30
 
from testtools.content import Content
31
 
from testtools.content_type import ContentType
32
 
from testtools.matchers import (
33
 
    DocTestMatches,
34
 
    Equals,
35
 
    )
36
 
import testtools.tests.helpers
37
 
 
38
 
import bzrlib
39
 
from bzrlib import (
40
 
    branchbuilder,
41
 
    bzrdir,
42
 
    debug,
43
 
    errors,
44
 
    lockdir,
45
 
    memorytree,
46
 
    osutils,
47
 
    remote,
48
 
    repository,
49
 
    symbol_versioning,
50
 
    tests,
51
 
    transport,
52
 
    workingtree,
53
 
    )
54
 
from bzrlib.repofmt import (
55
 
    groupcompress_repo,
56
 
    pack_repo,
57
 
    weaverepo,
58
 
    )
59
 
from bzrlib.symbol_versioning import (
60
 
    deprecated_function,
61
 
    deprecated_in,
62
 
    deprecated_method,
63
 
    )
64
 
from bzrlib.tests import (
65
 
    features,
66
 
    test_lsprof,
67
 
    test_server,
68
 
    test_sftp_transport,
69
 
    TestUtil,
70
 
    )
71
 
from bzrlib.trace import note
72
 
from bzrlib.transport import memory
73
 
from bzrlib.version import _get_bzr_source_tree
74
 
 
75
 
 
76
 
def _test_ids(test_suite):
77
 
    """Get the ids for the tests in a test suite."""
78
 
    return [t.id() for t in tests.iter_suite_tests(test_suite)]
79
 
 
80
 
 
81
 
class SelftestTests(tests.TestCase):
82
 
 
83
 
    def test_import_tests(self):
84
 
        mod = TestUtil._load_module_by_name('bzrlib.tests.test_selftest')
85
 
        self.assertEqual(mod.SelftestTests, SelftestTests)
86
 
 
87
 
    def test_import_test_failure(self):
88
 
        self.assertRaises(ImportError,
89
 
                          TestUtil._load_module_by_name,
90
 
                          'bzrlib.no-name-yet')
91
 
 
92
 
 
93
 
class MetaTestLog(tests.TestCase):
94
 
 
95
 
    def test_logging(self):
96
 
        """Test logs are captured when a test fails."""
97
 
        self.log('a test message')
98
 
        details = self.getDetails()
99
 
        log = details['log']
100
 
        self.assertThat(log.content_type, Equals(ContentType(
101
 
            "text", "plain", {"charset": "utf8"})))
102
 
        self.assertThat(u"".join(log.iter_text()), Equals(self.get_log()))
103
 
        self.assertThat(self.get_log(),
104
 
            DocTestMatches(u"...a test message\n", ELLIPSIS))
105
 
 
106
 
 
107
 
class TestUnicodeFilename(tests.TestCase):
108
 
 
109
 
    def test_probe_passes(self):
110
 
        """UnicodeFilename._probe passes."""
111
 
        # We can't test much more than that because the behaviour depends
112
 
        # on the platform.
113
 
        tests.UnicodeFilename._probe()
114
 
 
115
 
 
116
 
class TestTreeShape(tests.TestCaseInTempDir):
117
 
 
118
 
    def test_unicode_paths(self):
119
 
        self.requireFeature(tests.UnicodeFilename)
120
 
 
121
 
        filename = u'hell\u00d8'
122
 
        self.build_tree_contents([(filename, 'contents of hello')])
123
 
        self.failUnlessExists(filename)
124
 
 
125
 
 
126
 
class TestClassesAvailable(tests.TestCase):
127
 
    """As a convenience we expose Test* classes from bzrlib.tests"""
128
 
 
129
 
    def test_test_case(self):
130
 
        from bzrlib.tests import TestCase
131
 
 
132
 
    def test_test_loader(self):
133
 
        from bzrlib.tests import TestLoader
134
 
 
135
 
    def test_test_suite(self):
136
 
        from bzrlib.tests import TestSuite
137
 
 
138
 
 
139
 
class TestTransportScenarios(tests.TestCase):
140
 
    """A group of tests that test the transport implementation adaption core.
141
 
 
142
 
    This is a meta test that the tests are applied to all available
143
 
    transports.
144
 
 
145
 
    This will be generalised in the future which is why it is in this
146
 
    test file even though it is specific to transport tests at the moment.
147
 
    """
148
 
 
149
 
    def test_get_transport_permutations(self):
150
 
        # this checks that get_test_permutations defined by the module is
151
 
        # called by the get_transport_test_permutations function.
152
 
        class MockModule(object):
153
 
            def get_test_permutations(self):
154
 
                return sample_permutation
155
 
        sample_permutation = [(1,2), (3,4)]
156
 
        from bzrlib.tests.per_transport import get_transport_test_permutations
157
 
        self.assertEqual(sample_permutation,
158
 
                         get_transport_test_permutations(MockModule()))
159
 
 
160
 
    def test_scenarios_include_all_modules(self):
161
 
        # this checks that the scenario generator returns as many permutations
162
 
        # as there are in all the registered transport modules - we assume if
163
 
        # this matches its probably doing the right thing especially in
164
 
        # combination with the tests for setting the right classes below.
165
 
        from bzrlib.tests.per_transport import transport_test_permutations
166
 
        from bzrlib.transport import _get_transport_modules
167
 
        modules = _get_transport_modules()
168
 
        permutation_count = 0
169
 
        for module in modules:
170
 
            try:
171
 
                permutation_count += len(reduce(getattr,
172
 
                    (module + ".get_test_permutations").split('.')[1:],
173
 
                     __import__(module))())
174
 
            except errors.DependencyNotPresent:
175
 
                pass
176
 
        scenarios = transport_test_permutations()
177
 
        self.assertEqual(permutation_count, len(scenarios))
178
 
 
179
 
    def test_scenarios_include_transport_class(self):
180
 
        # This test used to know about all the possible transports and the
181
 
        # order they were returned but that seems overly brittle (mbp
182
 
        # 20060307)
183
 
        from bzrlib.tests.per_transport import transport_test_permutations
184
 
        scenarios = transport_test_permutations()
185
 
        # there are at least that many builtin transports
186
 
        self.assertTrue(len(scenarios) > 6)
187
 
        one_scenario = scenarios[0]
188
 
        self.assertIsInstance(one_scenario[0], str)
189
 
        self.assertTrue(issubclass(one_scenario[1]["transport_class"],
190
 
                                   bzrlib.transport.Transport))
191
 
        self.assertTrue(issubclass(one_scenario[1]["transport_server"],
192
 
                                   bzrlib.transport.Server))
193
 
 
194
 
 
195
 
class TestBranchScenarios(tests.TestCase):
196
 
 
197
 
    def test_scenarios(self):
198
 
        # check that constructor parameters are passed through to the adapted
199
 
        # test.
200
 
        from bzrlib.tests.per_branch import make_scenarios
201
 
        server1 = "a"
202
 
        server2 = "b"
203
 
        formats = [("c", "C"), ("d", "D")]
204
 
        scenarios = make_scenarios(server1, server2, formats)
205
 
        self.assertEqual(2, len(scenarios))
206
 
        self.assertEqual([
207
 
            ('str',
208
 
             {'branch_format': 'c',
209
 
              'bzrdir_format': 'C',
210
 
              'transport_readonly_server': 'b',
211
 
              'transport_server': 'a'}),
212
 
            ('str',
213
 
             {'branch_format': 'd',
214
 
              'bzrdir_format': 'D',
215
 
              'transport_readonly_server': 'b',
216
 
              'transport_server': 'a'})],
217
 
            scenarios)
218
 
 
219
 
 
220
 
class TestBzrDirScenarios(tests.TestCase):
221
 
 
222
 
    def test_scenarios(self):
223
 
        # check that constructor parameters are passed through to the adapted
224
 
        # test.
225
 
        from bzrlib.tests.per_controldir import make_scenarios
226
 
        vfs_factory = "v"
227
 
        server1 = "a"
228
 
        server2 = "b"
229
 
        formats = ["c", "d"]
230
 
        scenarios = make_scenarios(vfs_factory, server1, server2, formats)
231
 
        self.assertEqual([
232
 
            ('str',
233
 
             {'bzrdir_format': 'c',
234
 
              'transport_readonly_server': 'b',
235
 
              'transport_server': 'a',
236
 
              'vfs_transport_factory': 'v'}),
237
 
            ('str',
238
 
             {'bzrdir_format': 'd',
239
 
              'transport_readonly_server': 'b',
240
 
              'transport_server': 'a',
241
 
              'vfs_transport_factory': 'v'})],
242
 
            scenarios)
243
 
 
244
 
 
245
 
class TestRepositoryScenarios(tests.TestCase):
246
 
 
247
 
    def test_formats_to_scenarios(self):
248
 
        from bzrlib.tests.per_repository import formats_to_scenarios
249
 
        formats = [("(c)", remote.RemoteRepositoryFormat()),
250
 
                   ("(d)", repository.format_registry.get(
251
 
                    'Bazaar repository format 2a (needs bzr 1.16 or later)\n'))]
252
 
        no_vfs_scenarios = formats_to_scenarios(formats, "server", "readonly",
253
 
            None)
254
 
        vfs_scenarios = formats_to_scenarios(formats, "server", "readonly",
255
 
            vfs_transport_factory="vfs")
256
 
        # no_vfs generate scenarios without vfs_transport_factory
257
 
        expected = [
258
 
            ('RemoteRepositoryFormat(c)',
259
 
             {'bzrdir_format': remote.RemoteBzrDirFormat(),
260
 
              'repository_format': remote.RemoteRepositoryFormat(),
261
 
              'transport_readonly_server': 'readonly',
262
 
              'transport_server': 'server'}),
263
 
            ('RepositoryFormat2a(d)',
264
 
             {'bzrdir_format': bzrdir.BzrDirMetaFormat1(),
265
 
              'repository_format': groupcompress_repo.RepositoryFormat2a(),
266
 
              'transport_readonly_server': 'readonly',
267
 
              'transport_server': 'server'})]
268
 
        self.assertEqual(expected, no_vfs_scenarios)
269
 
        self.assertEqual([
270
 
            ('RemoteRepositoryFormat(c)',
271
 
             {'bzrdir_format': remote.RemoteBzrDirFormat(),
272
 
              'repository_format': remote.RemoteRepositoryFormat(),
273
 
              'transport_readonly_server': 'readonly',
274
 
              'transport_server': 'server',
275
 
              'vfs_transport_factory': 'vfs'}),
276
 
            ('RepositoryFormat2a(d)',
277
 
             {'bzrdir_format': bzrdir.BzrDirMetaFormat1(),
278
 
              'repository_format': groupcompress_repo.RepositoryFormat2a(),
279
 
              'transport_readonly_server': 'readonly',
280
 
              'transport_server': 'server',
281
 
              'vfs_transport_factory': 'vfs'})],
282
 
            vfs_scenarios)
283
 
 
284
 
 
285
 
class TestTestScenarioApplication(tests.TestCase):
286
 
    """Tests for the test adaption facilities."""
287
 
 
288
 
    def test_apply_scenario(self):
289
 
        from bzrlib.tests import apply_scenario
290
 
        input_test = TestTestScenarioApplication("test_apply_scenario")
291
 
        # setup two adapted tests
292
 
        adapted_test1 = apply_scenario(input_test,
293
 
            ("new id",
294
 
            {"bzrdir_format":"bzr_format",
295
 
             "repository_format":"repo_fmt",
296
 
             "transport_server":"transport_server",
297
 
             "transport_readonly_server":"readonly-server"}))
298
 
        adapted_test2 = apply_scenario(input_test,
299
 
            ("new id 2", {"bzrdir_format":None}))
300
 
        # input_test should have been altered.
301
 
        self.assertRaises(AttributeError, getattr, input_test, "bzrdir_format")
302
 
        # the new tests are mutually incompatible, ensuring it has
303
 
        # made new ones, and unspecified elements in the scenario
304
 
        # should not have been altered.
305
 
        self.assertEqual("bzr_format", adapted_test1.bzrdir_format)
306
 
        self.assertEqual("repo_fmt", adapted_test1.repository_format)
307
 
        self.assertEqual("transport_server", adapted_test1.transport_server)
308
 
        self.assertEqual("readonly-server",
309
 
            adapted_test1.transport_readonly_server)
310
 
        self.assertEqual(
311
 
            "bzrlib.tests.test_selftest.TestTestScenarioApplication."
312
 
            "test_apply_scenario(new id)",
313
 
            adapted_test1.id())
314
 
        self.assertEqual(None, adapted_test2.bzrdir_format)
315
 
        self.assertEqual(
316
 
            "bzrlib.tests.test_selftest.TestTestScenarioApplication."
317
 
            "test_apply_scenario(new id 2)",
318
 
            adapted_test2.id())
319
 
 
320
 
 
321
 
class TestInterRepositoryScenarios(tests.TestCase):
322
 
 
323
 
    def test_scenarios(self):
324
 
        # check that constructor parameters are passed through to the adapted
325
 
        # test.
326
 
        from bzrlib.tests.per_interrepository import make_scenarios
327
 
        server1 = "a"
328
 
        server2 = "b"
329
 
        formats = [("C0", "C1", "C2", "C3"), ("D0", "D1", "D2", "D3")]
330
 
        scenarios = make_scenarios(server1, server2, formats)
331
 
        self.assertEqual([
332
 
            ('C0,str,str',
333
 
             {'repository_format': 'C1',
334
 
              'repository_format_to': 'C2',
335
 
              'transport_readonly_server': 'b',
336
 
              'transport_server': 'a',
337
 
              'extra_setup': 'C3'}),
338
 
            ('D0,str,str',
339
 
             {'repository_format': 'D1',
340
 
              'repository_format_to': 'D2',
341
 
              'transport_readonly_server': 'b',
342
 
              'transport_server': 'a',
343
 
              'extra_setup': 'D3'})],
344
 
            scenarios)
345
 
 
346
 
 
347
 
class TestWorkingTreeScenarios(tests.TestCase):
348
 
 
349
 
    def test_scenarios(self):
350
 
        # check that constructor parameters are passed through to the adapted
351
 
        # test.
352
 
        from bzrlib.tests.per_workingtree import make_scenarios
353
 
        server1 = "a"
354
 
        server2 = "b"
355
 
        formats = [workingtree.WorkingTreeFormat2(),
356
 
                   workingtree.WorkingTreeFormat3(),]
357
 
        scenarios = make_scenarios(server1, server2, formats)
358
 
        self.assertEqual([
359
 
            ('WorkingTreeFormat2',
360
 
             {'bzrdir_format': formats[0]._matchingbzrdir,
361
 
              'transport_readonly_server': 'b',
362
 
              'transport_server': 'a',
363
 
              'workingtree_format': formats[0]}),
364
 
            ('WorkingTreeFormat3',
365
 
             {'bzrdir_format': formats[1]._matchingbzrdir,
366
 
              'transport_readonly_server': 'b',
367
 
              'transport_server': 'a',
368
 
              'workingtree_format': formats[1]})],
369
 
            scenarios)
370
 
 
371
 
 
372
 
class TestTreeScenarios(tests.TestCase):
373
 
 
374
 
    def test_scenarios(self):
375
 
        # the tree implementation scenario generator is meant to setup one
376
 
        # instance for each working tree format, and one additional instance
377
 
        # that will use the default wt format, but create a revision tree for
378
 
        # the tests.  this means that the wt ones should have the
379
 
        # workingtree_to_test_tree attribute set to 'return_parameter' and the
380
 
        # revision one set to revision_tree_from_workingtree.
381
 
 
382
 
        from bzrlib.tests.per_tree import (
383
 
            _dirstate_tree_from_workingtree,
384
 
            make_scenarios,
385
 
            preview_tree_pre,
386
 
            preview_tree_post,
387
 
            return_parameter,
388
 
            revision_tree_from_workingtree
389
 
            )
390
 
        server1 = "a"
391
 
        server2 = "b"
392
 
        formats = [workingtree.WorkingTreeFormat2(),
393
 
                   workingtree.WorkingTreeFormat3(),]
394
 
        scenarios = make_scenarios(server1, server2, formats)
395
 
        self.assertEqual(7, len(scenarios))
396
 
        default_wt_format = workingtree.WorkingTreeFormat4._default_format
397
 
        wt4_format = workingtree.WorkingTreeFormat4()
398
 
        wt5_format = workingtree.WorkingTreeFormat5()
399
 
        expected_scenarios = [
400
 
            ('WorkingTreeFormat2',
401
 
             {'bzrdir_format': formats[0]._matchingbzrdir,
402
 
              'transport_readonly_server': 'b',
403
 
              'transport_server': 'a',
404
 
              'workingtree_format': formats[0],
405
 
              '_workingtree_to_test_tree': return_parameter,
406
 
              }),
407
 
            ('WorkingTreeFormat3',
408
 
             {'bzrdir_format': formats[1]._matchingbzrdir,
409
 
              'transport_readonly_server': 'b',
410
 
              'transport_server': 'a',
411
 
              'workingtree_format': formats[1],
412
 
              '_workingtree_to_test_tree': return_parameter,
413
 
             }),
414
 
            ('RevisionTree',
415
 
             {'_workingtree_to_test_tree': revision_tree_from_workingtree,
416
 
              'bzrdir_format': default_wt_format._matchingbzrdir,
417
 
              'transport_readonly_server': 'b',
418
 
              'transport_server': 'a',
419
 
              'workingtree_format': default_wt_format,
420
 
             }),
421
 
            ('DirStateRevisionTree,WT4',
422
 
             {'_workingtree_to_test_tree': _dirstate_tree_from_workingtree,
423
 
              'bzrdir_format': wt4_format._matchingbzrdir,
424
 
              'transport_readonly_server': 'b',
425
 
              'transport_server': 'a',
426
 
              'workingtree_format': wt4_format,
427
 
             }),
428
 
            ('DirStateRevisionTree,WT5',
429
 
             {'_workingtree_to_test_tree': _dirstate_tree_from_workingtree,
430
 
              'bzrdir_format': wt5_format._matchingbzrdir,
431
 
              'transport_readonly_server': 'b',
432
 
              'transport_server': 'a',
433
 
              'workingtree_format': wt5_format,
434
 
             }),
435
 
            ('PreviewTree',
436
 
             {'_workingtree_to_test_tree': preview_tree_pre,
437
 
              'bzrdir_format': default_wt_format._matchingbzrdir,
438
 
              'transport_readonly_server': 'b',
439
 
              'transport_server': 'a',
440
 
              'workingtree_format': default_wt_format}),
441
 
            ('PreviewTreePost',
442
 
             {'_workingtree_to_test_tree': preview_tree_post,
443
 
              'bzrdir_format': default_wt_format._matchingbzrdir,
444
 
              'transport_readonly_server': 'b',
445
 
              'transport_server': 'a',
446
 
              'workingtree_format': default_wt_format}),
447
 
             ]
448
 
        self.assertEqual(expected_scenarios, scenarios)
449
 
 
450
 
 
451
 
class TestInterTreeScenarios(tests.TestCase):
452
 
    """A group of tests that test the InterTreeTestAdapter."""
453
 
 
454
 
    def test_scenarios(self):
455
 
        # check that constructor parameters are passed through to the adapted
456
 
        # test.
457
 
        # for InterTree tests we want the machinery to bring up two trees in
458
 
        # each instance: the base one, and the one we are interacting with.
459
 
        # because each optimiser can be direction specific, we need to test
460
 
        # each optimiser in its chosen direction.
461
 
        # unlike the TestProviderAdapter we dont want to automatically add a
462
 
        # parameterized one for WorkingTree - the optimisers will tell us what
463
 
        # ones to add.
464
 
        from bzrlib.tests.per_tree import (
465
 
            return_parameter,
466
 
            revision_tree_from_workingtree
467
 
            )
468
 
        from bzrlib.tests.per_intertree import (
469
 
            make_scenarios,
470
 
            )
471
 
        from bzrlib.workingtree import WorkingTreeFormat2, WorkingTreeFormat3
472
 
        input_test = TestInterTreeScenarios(
473
 
            "test_scenarios")
474
 
        server1 = "a"
475
 
        server2 = "b"
476
 
        format1 = WorkingTreeFormat2()
477
 
        format2 = WorkingTreeFormat3()
478
 
        formats = [("1", str, format1, format2, "converter1"),
479
 
            ("2", int, format2, format1, "converter2")]
480
 
        scenarios = make_scenarios(server1, server2, formats)
481
 
        self.assertEqual(2, len(scenarios))
482
 
        expected_scenarios = [
483
 
            ("1", {
484
 
                "bzrdir_format": format1._matchingbzrdir,
485
 
                "intertree_class": formats[0][1],
486
 
                "workingtree_format": formats[0][2],
487
 
                "workingtree_format_to": formats[0][3],
488
 
                "mutable_trees_to_test_trees": formats[0][4],
489
 
                "_workingtree_to_test_tree": return_parameter,
490
 
                "transport_server": server1,
491
 
                "transport_readonly_server": server2,
492
 
                }),
493
 
            ("2", {
494
 
                "bzrdir_format": format2._matchingbzrdir,
495
 
                "intertree_class": formats[1][1],
496
 
                "workingtree_format": formats[1][2],
497
 
                "workingtree_format_to": formats[1][3],
498
 
                "mutable_trees_to_test_trees": formats[1][4],
499
 
                "_workingtree_to_test_tree": return_parameter,
500
 
                "transport_server": server1,
501
 
                "transport_readonly_server": server2,
502
 
                }),
503
 
            ]
504
 
        self.assertEqual(scenarios, expected_scenarios)
505
 
 
506
 
 
507
 
class TestTestCaseInTempDir(tests.TestCaseInTempDir):
508
 
 
509
 
    def test_home_is_not_working(self):
510
 
        self.assertNotEqual(self.test_dir, self.test_home_dir)
511
 
        cwd = osutils.getcwd()
512
 
        self.assertIsSameRealPath(self.test_dir, cwd)
513
 
        self.assertIsSameRealPath(self.test_home_dir, os.environ['HOME'])
514
 
 
515
 
    def test_assertEqualStat_equal(self):
516
 
        from bzrlib.tests.test_dirstate import _FakeStat
517
 
        self.build_tree(["foo"])
518
 
        real = os.lstat("foo")
519
 
        fake = _FakeStat(real.st_size, real.st_mtime, real.st_ctime,
520
 
            real.st_dev, real.st_ino, real.st_mode)
521
 
        self.assertEqualStat(real, fake)
522
 
 
523
 
    def test_assertEqualStat_notequal(self):
524
 
        self.build_tree(["foo", "longname"])
525
 
        self.assertRaises(AssertionError, self.assertEqualStat,
526
 
            os.lstat("foo"), os.lstat("longname"))
527
 
 
528
 
 
529
 
class TestTestCaseWithMemoryTransport(tests.TestCaseWithMemoryTransport):
530
 
 
531
 
    def test_home_is_non_existant_dir_under_root(self):
532
 
        """The test_home_dir for TestCaseWithMemoryTransport is missing.
533
 
 
534
 
        This is because TestCaseWithMemoryTransport is for tests that do not
535
 
        need any disk resources: they should be hooked into bzrlib in such a
536
 
        way that no global settings are being changed by the test (only a
537
 
        few tests should need to do that), and having a missing dir as home is
538
 
        an effective way to ensure that this is the case.
539
 
        """
540
 
        self.assertIsSameRealPath(
541
 
            self.TEST_ROOT + "/MemoryTransportMissingHomeDir",
542
 
            self.test_home_dir)
543
 
        self.assertIsSameRealPath(self.test_home_dir, os.environ['HOME'])
544
 
 
545
 
    def test_cwd_is_TEST_ROOT(self):
546
 
        self.assertIsSameRealPath(self.test_dir, self.TEST_ROOT)
547
 
        cwd = osutils.getcwd()
548
 
        self.assertIsSameRealPath(self.test_dir, cwd)
549
 
 
550
 
    def test_BZR_HOME_and_HOME_are_bytestrings(self):
551
 
        """The $BZR_HOME and $HOME environment variables should not be unicode.
552
 
 
553
 
        See https://bugs.launchpad.net/bzr/+bug/464174
554
 
        """
555
 
        self.assertIsInstance(os.environ['BZR_HOME'], str)
556
 
        self.assertIsInstance(os.environ['HOME'], str)
557
 
 
558
 
    def test_make_branch_and_memory_tree(self):
559
 
        """In TestCaseWithMemoryTransport we should not make the branch on disk.
560
 
 
561
 
        This is hard to comprehensively robustly test, so we settle for making
562
 
        a branch and checking no directory was created at its relpath.
563
 
        """
564
 
        tree = self.make_branch_and_memory_tree('dir')
565
 
        # Guard against regression into MemoryTransport leaking
566
 
        # files to disk instead of keeping them in memory.
567
 
        self.failIf(osutils.lexists('dir'))
568
 
        self.assertIsInstance(tree, memorytree.MemoryTree)
569
 
 
570
 
    def test_make_branch_and_memory_tree_with_format(self):
571
 
        """make_branch_and_memory_tree should accept a format option."""
572
 
        format = bzrdir.BzrDirMetaFormat1()
573
 
        format.repository_format = weaverepo.RepositoryFormat7()
574
 
        tree = self.make_branch_and_memory_tree('dir', format=format)
575
 
        # Guard against regression into MemoryTransport leaking
576
 
        # files to disk instead of keeping them in memory.
577
 
        self.failIf(osutils.lexists('dir'))
578
 
        self.assertIsInstance(tree, memorytree.MemoryTree)
579
 
        self.assertEqual(format.repository_format.__class__,
580
 
            tree.branch.repository._format.__class__)
581
 
 
582
 
    def test_make_branch_builder(self):
583
 
        builder = self.make_branch_builder('dir')
584
 
        self.assertIsInstance(builder, branchbuilder.BranchBuilder)
585
 
        # Guard against regression into MemoryTransport leaking
586
 
        # files to disk instead of keeping them in memory.
587
 
        self.failIf(osutils.lexists('dir'))
588
 
 
589
 
    def test_make_branch_builder_with_format(self):
590
 
        # Use a repo layout that doesn't conform to a 'named' layout, to ensure
591
 
        # that the format objects are used.
592
 
        format = bzrdir.BzrDirMetaFormat1()
593
 
        repo_format = weaverepo.RepositoryFormat7()
594
 
        format.repository_format = repo_format
595
 
        builder = self.make_branch_builder('dir', format=format)
596
 
        the_branch = builder.get_branch()
597
 
        # Guard against regression into MemoryTransport leaking
598
 
        # files to disk instead of keeping them in memory.
599
 
        self.failIf(osutils.lexists('dir'))
600
 
        self.assertEqual(format.repository_format.__class__,
601
 
                         the_branch.repository._format.__class__)
602
 
        self.assertEqual(repo_format.get_format_string(),
603
 
                         self.get_transport().get_bytes(
604
 
                            'dir/.bzr/repository/format'))
605
 
 
606
 
    def test_make_branch_builder_with_format_name(self):
607
 
        builder = self.make_branch_builder('dir', format='knit')
608
 
        the_branch = builder.get_branch()
609
 
        # Guard against regression into MemoryTransport leaking
610
 
        # files to disk instead of keeping them in memory.
611
 
        self.failIf(osutils.lexists('dir'))
612
 
        dir_format = bzrdir.format_registry.make_bzrdir('knit')
613
 
        self.assertEqual(dir_format.repository_format.__class__,
614
 
                         the_branch.repository._format.__class__)
615
 
        self.assertEqual('Bazaar-NG Knit Repository Format 1',
616
 
                         self.get_transport().get_bytes(
617
 
                            'dir/.bzr/repository/format'))
618
 
 
619
 
    def test_dangling_locks_cause_failures(self):
620
 
        class TestDanglingLock(tests.TestCaseWithMemoryTransport):
621
 
            def test_function(self):
622
 
                t = self.get_transport('.')
623
 
                l = lockdir.LockDir(t, 'lock')
624
 
                l.create()
625
 
                l.attempt_lock()
626
 
        test = TestDanglingLock('test_function')
627
 
        result = test.run()
628
 
        total_failures = result.errors + result.failures
629
 
        if self._lock_check_thorough:
630
 
            self.assertLength(1, total_failures)
631
 
        else:
632
 
            # When _lock_check_thorough is disabled, then we don't trigger a
633
 
            # failure
634
 
            self.assertLength(0, total_failures)
635
 
 
636
 
 
637
 
class TestTestCaseWithTransport(tests.TestCaseWithTransport):
638
 
    """Tests for the convenience functions TestCaseWithTransport introduces."""
639
 
 
640
 
    def test_get_readonly_url_none(self):
641
 
        from bzrlib.transport.readonly import ReadonlyTransportDecorator
642
 
        self.vfs_transport_factory = memory.MemoryServer
643
 
        self.transport_readonly_server = None
644
 
        # calling get_readonly_transport() constructs a decorator on the url
645
 
        # for the server
646
 
        url = self.get_readonly_url()
647
 
        url2 = self.get_readonly_url('foo/bar')
648
 
        t = transport.get_transport(url)
649
 
        t2 = transport.get_transport(url2)
650
 
        self.failUnless(isinstance(t, ReadonlyTransportDecorator))
651
 
        self.failUnless(isinstance(t2, ReadonlyTransportDecorator))
652
 
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
653
 
 
654
 
    def test_get_readonly_url_http(self):
655
 
        from bzrlib.tests.http_server import HttpServer
656
 
        from bzrlib.transport.http import HttpTransportBase
657
 
        self.transport_server = test_server.LocalURLServer
658
 
        self.transport_readonly_server = HttpServer
659
 
        # calling get_readonly_transport() gives us a HTTP server instance.
660
 
        url = self.get_readonly_url()
661
 
        url2 = self.get_readonly_url('foo/bar')
662
 
        # the transport returned may be any HttpTransportBase subclass
663
 
        t = transport.get_transport(url)
664
 
        t2 = transport.get_transport(url2)
665
 
        self.failUnless(isinstance(t, HttpTransportBase))
666
 
        self.failUnless(isinstance(t2, HttpTransportBase))
667
 
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
668
 
 
669
 
    def test_is_directory(self):
670
 
        """Test assertIsDirectory assertion"""
671
 
        t = self.get_transport()
672
 
        self.build_tree(['a_dir/', 'a_file'], transport=t)
673
 
        self.assertIsDirectory('a_dir', t)
674
 
        self.assertRaises(AssertionError, self.assertIsDirectory, 'a_file', t)
675
 
        self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
676
 
 
677
 
    def test_make_branch_builder(self):
678
 
        builder = self.make_branch_builder('dir')
679
 
        rev_id = builder.build_commit()
680
 
        self.failUnlessExists('dir')
681
 
        a_dir = bzrdir.BzrDir.open('dir')
682
 
        self.assertRaises(errors.NoWorkingTree, a_dir.open_workingtree)
683
 
        a_branch = a_dir.open_branch()
684
 
        builder_branch = builder.get_branch()
685
 
        self.assertEqual(a_branch.base, builder_branch.base)
686
 
        self.assertEqual((1, rev_id), builder_branch.last_revision_info())
687
 
        self.assertEqual((1, rev_id), a_branch.last_revision_info())
688
 
 
689
 
 
690
 
class TestTestCaseTransports(tests.TestCaseWithTransport):
691
 
 
692
 
    def setUp(self):
693
 
        super(TestTestCaseTransports, self).setUp()
694
 
        self.vfs_transport_factory = memory.MemoryServer
695
 
 
696
 
    def test_make_bzrdir_preserves_transport(self):
697
 
        t = self.get_transport()
698
 
        result_bzrdir = self.make_bzrdir('subdir')
699
 
        self.assertIsInstance(result_bzrdir.transport,
700
 
                              memory.MemoryTransport)
701
 
        # should not be on disk, should only be in memory
702
 
        self.failIfExists('subdir')
703
 
 
704
 
 
705
 
class TestChrootedTest(tests.ChrootedTestCase):
706
 
 
707
 
    def test_root_is_root(self):
708
 
        t = transport.get_transport(self.get_readonly_url())
709
 
        url = t.base
710
 
        self.assertEqual(url, t.clone('..').base)
711
 
 
712
 
 
713
 
class TestProfileResult(tests.TestCase):
714
 
 
715
 
    def test_profiles_tests(self):
716
 
        self.requireFeature(test_lsprof.LSProfFeature)
717
 
        terminal = testtools.tests.helpers.ExtendedTestResult()
718
 
        result = tests.ProfileResult(terminal)
719
 
        class Sample(tests.TestCase):
720
 
            def a(self):
721
 
                self.sample_function()
722
 
            def sample_function(self):
723
 
                pass
724
 
        test = Sample("a")
725
 
        test.run(result)
726
 
        case = terminal._events[0][1]
727
 
        self.assertLength(1, case._benchcalls)
728
 
        # We must be able to unpack it as the test reporting code wants
729
 
        (_, _, _), stats = case._benchcalls[0]
730
 
        self.assertTrue(callable(stats.pprint))
731
 
 
732
 
 
733
 
class TestTestResult(tests.TestCase):
734
 
 
735
 
    def check_timing(self, test_case, expected_re):
736
 
        result = bzrlib.tests.TextTestResult(self._log_file,
737
 
                descriptions=0,
738
 
                verbosity=1,
739
 
                )
740
 
        capture = testtools.tests.helpers.ExtendedTestResult()
741
 
        test_case.run(MultiTestResult(result, capture))
742
 
        run_case = capture._events[0][1]
743
 
        timed_string = result._testTimeString(run_case)
744
 
        self.assertContainsRe(timed_string, expected_re)
745
 
 
746
 
    def test_test_reporting(self):
747
 
        class ShortDelayTestCase(tests.TestCase):
748
 
            def test_short_delay(self):
749
 
                time.sleep(0.003)
750
 
            def test_short_benchmark(self):
751
 
                self.time(time.sleep, 0.003)
752
 
        self.check_timing(ShortDelayTestCase('test_short_delay'),
753
 
                          r"^ +[0-9]+ms$")
754
 
        # if a benchmark time is given, we now show just that time followed by
755
 
        # a star
756
 
        self.check_timing(ShortDelayTestCase('test_short_benchmark'),
757
 
                          r"^ +[0-9]+ms\*$")
758
 
 
759
 
    def test_unittest_reporting_unittest_class(self):
760
 
        # getting the time from a non-bzrlib test works ok
761
 
        class ShortDelayTestCase(unittest.TestCase):
762
 
            def test_short_delay(self):
763
 
                time.sleep(0.003)
764
 
        self.check_timing(ShortDelayTestCase('test_short_delay'),
765
 
                          r"^ +[0-9]+ms$")
766
 
 
767
 
    def _patch_get_bzr_source_tree(self):
768
 
        # Reading from the actual source tree breaks isolation, but we don't
769
 
        # want to assume that thats *all* that would happen.
770
 
        self.overrideAttr(bzrlib.version, '_get_bzr_source_tree', lambda: None)
771
 
 
772
 
    def test_assigned_benchmark_file_stores_date(self):
773
 
        self._patch_get_bzr_source_tree()
774
 
        output = StringIO()
775
 
        result = bzrlib.tests.TextTestResult(self._log_file,
776
 
                                        descriptions=0,
777
 
                                        verbosity=1,
778
 
                                        bench_history=output
779
 
                                        )
780
 
        output_string = output.getvalue()
781
 
        # if you are wondering about the regexp please read the comment in
782
 
        # test_bench_history (bzrlib.tests.test_selftest.TestRunner)
783
 
        # XXX: what comment?  -- Andrew Bennetts
784
 
        self.assertContainsRe(output_string, "--date [0-9.]+")
785
 
 
786
 
    def test_benchhistory_records_test_times(self):
787
 
        self._patch_get_bzr_source_tree()
788
 
        result_stream = StringIO()
789
 
        result = bzrlib.tests.TextTestResult(
790
 
            self._log_file,
791
 
            descriptions=0,
792
 
            verbosity=1,
793
 
            bench_history=result_stream
794
 
            )
795
 
 
796
 
        # we want profile a call and check that its test duration is recorded
797
 
        # make a new test instance that when run will generate a benchmark
798
 
        example_test_case = TestTestResult("_time_hello_world_encoding")
799
 
        # execute the test, which should succeed and record times
800
 
        example_test_case.run(result)
801
 
        lines = result_stream.getvalue().splitlines()
802
 
        self.assertEqual(2, len(lines))
803
 
        self.assertContainsRe(lines[1],
804
 
            " *[0-9]+ms bzrlib.tests.test_selftest.TestTestResult"
805
 
            "._time_hello_world_encoding")
806
 
 
807
 
    def _time_hello_world_encoding(self):
808
 
        """Profile two sleep calls
809
 
 
810
 
        This is used to exercise the test framework.
811
 
        """
812
 
        self.time(unicode, 'hello', errors='replace')
813
 
        self.time(unicode, 'world', errors='replace')
814
 
 
815
 
    def test_lsprofiling(self):
816
 
        """Verbose test result prints lsprof statistics from test cases."""
817
 
        self.requireFeature(test_lsprof.LSProfFeature)
818
 
        result_stream = StringIO()
819
 
        result = bzrlib.tests.VerboseTestResult(
820
 
            result_stream,
821
 
            descriptions=0,
822
 
            verbosity=2,
823
 
            )
824
 
        # we want profile a call of some sort and check it is output by
825
 
        # addSuccess. We dont care about addError or addFailure as they
826
 
        # are not that interesting for performance tuning.
827
 
        # make a new test instance that when run will generate a profile
828
 
        example_test_case = TestTestResult("_time_hello_world_encoding")
829
 
        example_test_case._gather_lsprof_in_benchmarks = True
830
 
        # execute the test, which should succeed and record profiles
831
 
        example_test_case.run(result)
832
 
        # lsprofile_something()
833
 
        # if this worked we want
834
 
        # LSProf output for <built in function unicode> (['hello'], {'errors': 'replace'})
835
 
        #    CallCount    Recursive    Total(ms)   Inline(ms) module:lineno(function)
836
 
        # (the lsprof header)
837
 
        # ... an arbitrary number of lines
838
 
        # and the function call which is time.sleep.
839
 
        #           1        0            ???         ???       ???(sleep)
840
 
        # and then repeated but with 'world', rather than 'hello'.
841
 
        # this should appear in the output stream of our test result.
842
 
        output = result_stream.getvalue()
843
 
        self.assertContainsRe(output,
844
 
            r"LSProf output for <type 'unicode'>\(\('hello',\), {'errors': 'replace'}\)")
845
 
        self.assertContainsRe(output,
846
 
            r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n")
847
 
        self.assertContainsRe(output,
848
 
            r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?")
849
 
        self.assertContainsRe(output,
850
 
            r"LSProf output for <type 'unicode'>\(\('world',\), {'errors': 'replace'}\)\n")
851
 
 
852
 
    def test_known_failure(self):
853
 
        """A KnownFailure being raised should trigger several result actions."""
854
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
855
 
            def stopTestRun(self): pass
856
 
            def report_tests_starting(self): pass
857
 
            def report_known_failure(self, test, err=None, details=None):
858
 
                self._call = test, 'known failure'
859
 
        result = InstrumentedTestResult(None, None, None, None)
860
 
        class Test(tests.TestCase):
861
 
            def test_function(self):
862
 
                raise tests.KnownFailure('failed!')
863
 
        test = Test("test_function")
864
 
        test.run(result)
865
 
        # it should invoke 'report_known_failure'.
866
 
        self.assertEqual(2, len(result._call))
867
 
        self.assertEqual(test.id(), result._call[0].id())
868
 
        self.assertEqual('known failure', result._call[1])
869
 
        # we dont introspec the traceback, if the rest is ok, it would be
870
 
        # exceptional for it not to be.
871
 
        # it should update the known_failure_count on the object.
872
 
        self.assertEqual(1, result.known_failure_count)
873
 
        # the result should be successful.
874
 
        self.assertTrue(result.wasSuccessful())
875
 
 
876
 
    def test_verbose_report_known_failure(self):
877
 
        # verbose test output formatting
878
 
        result_stream = StringIO()
879
 
        result = bzrlib.tests.VerboseTestResult(
880
 
            result_stream,
881
 
            descriptions=0,
882
 
            verbosity=2,
883
 
            )
884
 
        test = self.get_passing_test()
885
 
        result.startTest(test)
886
 
        prefix = len(result_stream.getvalue())
887
 
        # the err parameter has the shape:
888
 
        # (class, exception object, traceback)
889
 
        # KnownFailures dont get their tracebacks shown though, so we
890
 
        # can skip that.
891
 
        err = (tests.KnownFailure, tests.KnownFailure('foo'), None)
892
 
        result.report_known_failure(test, err)
893
 
        output = result_stream.getvalue()[prefix:]
894
 
        lines = output.splitlines()
895
 
        self.assertContainsRe(lines[0], r'XFAIL *\d+ms$')
896
 
        if sys.version_info > (2, 7):
897
 
            self.expectFailure("_ExpectedFailure on 2.7 loses the message",
898
 
                self.assertNotEqual, lines[1], '    ')
899
 
        self.assertEqual(lines[1], '    foo')
900
 
        self.assertEqual(2, len(lines))
901
 
 
902
 
    def get_passing_test(self):
903
 
        """Return a test object that can't be run usefully."""
904
 
        def passing_test():
905
 
            pass
906
 
        return unittest.FunctionTestCase(passing_test)
907
 
 
908
 
    def test_add_not_supported(self):
909
 
        """Test the behaviour of invoking addNotSupported."""
910
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
911
 
            def stopTestRun(self): pass
912
 
            def report_tests_starting(self): pass
913
 
            def report_unsupported(self, test, feature):
914
 
                self._call = test, feature
915
 
        result = InstrumentedTestResult(None, None, None, None)
916
 
        test = SampleTestCase('_test_pass')
917
 
        feature = tests.Feature()
918
 
        result.startTest(test)
919
 
        result.addNotSupported(test, feature)
920
 
        # it should invoke 'report_unsupported'.
921
 
        self.assertEqual(2, len(result._call))
922
 
        self.assertEqual(test, result._call[0])
923
 
        self.assertEqual(feature, result._call[1])
924
 
        # the result should be successful.
925
 
        self.assertTrue(result.wasSuccessful())
926
 
        # it should record the test against a count of tests not run due to
927
 
        # this feature.
928
 
        self.assertEqual(1, result.unsupported['Feature'])
929
 
        # and invoking it again should increment that counter
930
 
        result.addNotSupported(test, feature)
931
 
        self.assertEqual(2, result.unsupported['Feature'])
932
 
 
933
 
    def test_verbose_report_unsupported(self):
934
 
        # verbose test output formatting
935
 
        result_stream = StringIO()
936
 
        result = bzrlib.tests.VerboseTestResult(
937
 
            result_stream,
938
 
            descriptions=0,
939
 
            verbosity=2,
940
 
            )
941
 
        test = self.get_passing_test()
942
 
        feature = tests.Feature()
943
 
        result.startTest(test)
944
 
        prefix = len(result_stream.getvalue())
945
 
        result.report_unsupported(test, feature)
946
 
        output = result_stream.getvalue()[prefix:]
947
 
        lines = output.splitlines()
948
 
        # We don't check for the final '0ms' since it may fail on slow hosts
949
 
        self.assertStartsWith(lines[0], 'NODEP')
950
 
        self.assertEqual(lines[1],
951
 
                         "    The feature 'Feature' is not available.")
952
 
 
953
 
    def test_unavailable_exception(self):
954
 
        """An UnavailableFeature being raised should invoke addNotSupported."""
955
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
956
 
            def stopTestRun(self): pass
957
 
            def report_tests_starting(self): pass
958
 
            def addNotSupported(self, test, feature):
959
 
                self._call = test, feature
960
 
        result = InstrumentedTestResult(None, None, None, None)
961
 
        feature = tests.Feature()
962
 
        class Test(tests.TestCase):
963
 
            def test_function(self):
964
 
                raise tests.UnavailableFeature(feature)
965
 
        test = Test("test_function")
966
 
        test.run(result)
967
 
        # it should invoke 'addNotSupported'.
968
 
        self.assertEqual(2, len(result._call))
969
 
        self.assertEqual(test.id(), result._call[0].id())
970
 
        self.assertEqual(feature, result._call[1])
971
 
        # and not count as an error
972
 
        self.assertEqual(0, result.error_count)
973
 
 
974
 
    def test_strict_with_unsupported_feature(self):
975
 
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
976
 
                                             verbosity=1)
977
 
        test = self.get_passing_test()
978
 
        feature = "Unsupported Feature"
979
 
        result.addNotSupported(test, feature)
980
 
        self.assertFalse(result.wasStrictlySuccessful())
981
 
        self.assertEqual(None, result._extractBenchmarkTime(test))
982
 
 
983
 
    def test_strict_with_known_failure(self):
984
 
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
985
 
                                             verbosity=1)
986
 
        test = self.get_passing_test()
987
 
        err = (tests.KnownFailure, tests.KnownFailure('foo'), None)
988
 
        result.addExpectedFailure(test, err)
989
 
        self.assertFalse(result.wasStrictlySuccessful())
990
 
        self.assertEqual(None, result._extractBenchmarkTime(test))
991
 
 
992
 
    def test_strict_with_success(self):
993
 
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
994
 
                                             verbosity=1)
995
 
        test = self.get_passing_test()
996
 
        result.addSuccess(test)
997
 
        self.assertTrue(result.wasStrictlySuccessful())
998
 
        self.assertEqual(None, result._extractBenchmarkTime(test))
999
 
 
1000
 
    def test_startTests(self):
1001
 
        """Starting the first test should trigger startTests."""
1002
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
1003
 
            calls = 0
1004
 
            def startTests(self): self.calls += 1
1005
 
        result = InstrumentedTestResult(None, None, None, None)
1006
 
        def test_function():
1007
 
            pass
1008
 
        test = unittest.FunctionTestCase(test_function)
1009
 
        test.run(result)
1010
 
        self.assertEquals(1, result.calls)
1011
 
 
1012
 
    def test_startTests_only_once(self):
1013
 
        """With multiple tests startTests should still only be called once"""
1014
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
1015
 
            calls = 0
1016
 
            def startTests(self): self.calls += 1
1017
 
        result = InstrumentedTestResult(None, None, None, None)
1018
 
        suite = unittest.TestSuite([
1019
 
            unittest.FunctionTestCase(lambda: None),
1020
 
            unittest.FunctionTestCase(lambda: None)])
1021
 
        suite.run(result)
1022
 
        self.assertEquals(1, result.calls)
1023
 
        self.assertEquals(2, result.count)
1024
 
 
1025
 
 
1026
 
class TestUnicodeFilenameFeature(tests.TestCase):
1027
 
 
1028
 
    def test_probe_passes(self):
1029
 
        """UnicodeFilenameFeature._probe passes."""
1030
 
        # We can't test much more than that because the behaviour depends
1031
 
        # on the platform.
1032
 
        tests.UnicodeFilenameFeature._probe()
1033
 
 
1034
 
 
1035
 
class TestRunner(tests.TestCase):
1036
 
 
1037
 
    def dummy_test(self):
1038
 
        pass
1039
 
 
1040
 
    def run_test_runner(self, testrunner, test):
1041
 
        """Run suite in testrunner, saving global state and restoring it.
1042
 
 
1043
 
        This current saves and restores:
1044
 
        TestCaseInTempDir.TEST_ROOT
1045
 
 
1046
 
        There should be no tests in this file that use
1047
 
        bzrlib.tests.TextTestRunner without using this convenience method,
1048
 
        because of our use of global state.
1049
 
        """
1050
 
        old_root = tests.TestCaseInTempDir.TEST_ROOT
1051
 
        try:
1052
 
            tests.TestCaseInTempDir.TEST_ROOT = None
1053
 
            return testrunner.run(test)
1054
 
        finally:
1055
 
            tests.TestCaseInTempDir.TEST_ROOT = old_root
1056
 
 
1057
 
    def test_known_failure_failed_run(self):
1058
 
        # run a test that generates a known failure which should be printed in
1059
 
        # the final output when real failures occur.
1060
 
        class Test(tests.TestCase):
1061
 
            def known_failure_test(self):
1062
 
                self.expectFailure('failed', self.assertTrue, False)
1063
 
        test = unittest.TestSuite()
1064
 
        test.addTest(Test("known_failure_test"))
1065
 
        def failing_test():
1066
 
            self.fail('foo')
1067
 
        test.addTest(unittest.FunctionTestCase(failing_test))
1068
 
        stream = StringIO()
1069
 
        runner = tests.TextTestRunner(stream=stream)
1070
 
        result = self.run_test_runner(runner, test)
1071
 
        lines = stream.getvalue().splitlines()
1072
 
        self.assertContainsRe(stream.getvalue(),
1073
 
            '(?sm)^bzr selftest.*$'
1074
 
            '.*'
1075
 
            '^======================================================================\n'
1076
 
            '^FAIL: failing_test\n'
1077
 
            '^----------------------------------------------------------------------\n'
1078
 
            'Traceback \\(most recent call last\\):\n'
1079
 
            '  .*' # File .*, line .*, in failing_test' - but maybe not from .pyc
1080
 
            '    self.fail\\(\'foo\'\\)\n'
1081
 
            '.*'
1082
 
            '^----------------------------------------------------------------------\n'
1083
 
            '.*'
1084
 
            'FAILED \\(failures=1, known_failure_count=1\\)'
1085
 
            )
1086
 
 
1087
 
    def test_known_failure_ok_run(self):
1088
 
        # run a test that generates a known failure which should be printed in
1089
 
        # the final output.
1090
 
        class Test(tests.TestCase):
1091
 
            def known_failure_test(self):
1092
 
                self.expectFailure('failed', self.assertTrue, False)
1093
 
        test = Test("known_failure_test")
1094
 
        stream = StringIO()
1095
 
        runner = tests.TextTestRunner(stream=stream)
1096
 
        result = self.run_test_runner(runner, test)
1097
 
        self.assertContainsRe(stream.getvalue(),
1098
 
            '\n'
1099
 
            '-*\n'
1100
 
            'Ran 1 test in .*\n'
1101
 
            '\n'
1102
 
            'OK \\(known_failures=1\\)\n')
1103
 
 
1104
 
    def test_result_decorator(self):
1105
 
        # decorate results
1106
 
        calls = []
1107
 
        class LoggingDecorator(tests.ForwardingResult):
1108
 
            def startTest(self, test):
1109
 
                tests.ForwardingResult.startTest(self, test)
1110
 
                calls.append('start')
1111
 
        test = unittest.FunctionTestCase(lambda:None)
1112
 
        stream = StringIO()
1113
 
        runner = tests.TextTestRunner(stream=stream,
1114
 
            result_decorators=[LoggingDecorator])
1115
 
        result = self.run_test_runner(runner, test)
1116
 
        self.assertLength(1, calls)
1117
 
 
1118
 
    def test_skipped_test(self):
1119
 
        # run a test that is skipped, and check the suite as a whole still
1120
 
        # succeeds.
1121
 
        # skipping_test must be hidden in here so it's not run as a real test
1122
 
        class SkippingTest(tests.TestCase):
1123
 
            def skipping_test(self):
1124
 
                raise tests.TestSkipped('test intentionally skipped')
1125
 
        runner = tests.TextTestRunner(stream=self._log_file)
1126
 
        test = SkippingTest("skipping_test")
1127
 
        result = self.run_test_runner(runner, test)
1128
 
        self.assertTrue(result.wasSuccessful())
1129
 
 
1130
 
    def test_skipped_from_setup(self):
1131
 
        calls = []
1132
 
        class SkippedSetupTest(tests.TestCase):
1133
 
 
1134
 
            def setUp(self):
1135
 
                calls.append('setUp')
1136
 
                self.addCleanup(self.cleanup)
1137
 
                raise tests.TestSkipped('skipped setup')
1138
 
 
1139
 
            def test_skip(self):
1140
 
                self.fail('test reached')
1141
 
 
1142
 
            def cleanup(self):
1143
 
                calls.append('cleanup')
1144
 
 
1145
 
        runner = tests.TextTestRunner(stream=self._log_file)
1146
 
        test = SkippedSetupTest('test_skip')
1147
 
        result = self.run_test_runner(runner, test)
1148
 
        self.assertTrue(result.wasSuccessful())
1149
 
        # Check if cleanup was called the right number of times.
1150
 
        self.assertEqual(['setUp', 'cleanup'], calls)
1151
 
 
1152
 
    def test_skipped_from_test(self):
1153
 
        calls = []
1154
 
        class SkippedTest(tests.TestCase):
1155
 
 
1156
 
            def setUp(self):
1157
 
                tests.TestCase.setUp(self)
1158
 
                calls.append('setUp')
1159
 
                self.addCleanup(self.cleanup)
1160
 
 
1161
 
            def test_skip(self):
1162
 
                raise tests.TestSkipped('skipped test')
1163
 
 
1164
 
            def cleanup(self):
1165
 
                calls.append('cleanup')
1166
 
 
1167
 
        runner = tests.TextTestRunner(stream=self._log_file)
1168
 
        test = SkippedTest('test_skip')
1169
 
        result = self.run_test_runner(runner, test)
1170
 
        self.assertTrue(result.wasSuccessful())
1171
 
        # Check if cleanup was called the right number of times.
1172
 
        self.assertEqual(['setUp', 'cleanup'], calls)
1173
 
 
1174
 
    def test_not_applicable(self):
1175
 
        # run a test that is skipped because it's not applicable
1176
 
        class Test(tests.TestCase):
1177
 
            def not_applicable_test(self):
1178
 
                raise tests.TestNotApplicable('this test never runs')
1179
 
        out = StringIO()
1180
 
        runner = tests.TextTestRunner(stream=out, verbosity=2)
1181
 
        test = Test("not_applicable_test")
1182
 
        result = self.run_test_runner(runner, test)
1183
 
        self._log_file.write(out.getvalue())
1184
 
        self.assertTrue(result.wasSuccessful())
1185
 
        self.assertTrue(result.wasStrictlySuccessful())
1186
 
        self.assertContainsRe(out.getvalue(),
1187
 
                r'(?m)not_applicable_test   * N/A')
1188
 
        self.assertContainsRe(out.getvalue(),
1189
 
                r'(?m)^    this test never runs')
1190
 
 
1191
 
    def test_unsupported_features_listed(self):
1192
 
        """When unsupported features are encountered they are detailed."""
1193
 
        class Feature1(tests.Feature):
1194
 
            def _probe(self): return False
1195
 
        class Feature2(tests.Feature):
1196
 
            def _probe(self): return False
1197
 
        # create sample tests
1198
 
        test1 = SampleTestCase('_test_pass')
1199
 
        test1._test_needs_features = [Feature1()]
1200
 
        test2 = SampleTestCase('_test_pass')
1201
 
        test2._test_needs_features = [Feature2()]
1202
 
        test = unittest.TestSuite()
1203
 
        test.addTest(test1)
1204
 
        test.addTest(test2)
1205
 
        stream = StringIO()
1206
 
        runner = tests.TextTestRunner(stream=stream)
1207
 
        result = self.run_test_runner(runner, test)
1208
 
        lines = stream.getvalue().splitlines()
1209
 
        self.assertEqual([
1210
 
            'OK',
1211
 
            "Missing feature 'Feature1' skipped 1 tests.",
1212
 
            "Missing feature 'Feature2' skipped 1 tests.",
1213
 
            ],
1214
 
            lines[-3:])
1215
 
 
1216
 
    def _patch_get_bzr_source_tree(self):
1217
 
        # Reading from the actual source tree breaks isolation, but we don't
1218
 
        # want to assume that thats *all* that would happen.
1219
 
        self._get_source_tree_calls = []
1220
 
        def new_get():
1221
 
            self._get_source_tree_calls.append("called")
1222
 
            return None
1223
 
        self.overrideAttr(bzrlib.version, '_get_bzr_source_tree',  new_get)
1224
 
 
1225
 
    def test_bench_history(self):
1226
 
        # tests that the running the benchmark passes bench_history into
1227
 
        # the test result object. We can tell that happens if
1228
 
        # _get_bzr_source_tree is called.
1229
 
        self._patch_get_bzr_source_tree()
1230
 
        test = TestRunner('dummy_test')
1231
 
        output = StringIO()
1232
 
        runner = tests.TextTestRunner(stream=self._log_file,
1233
 
                                      bench_history=output)
1234
 
        result = self.run_test_runner(runner, test)
1235
 
        output_string = output.getvalue()
1236
 
        self.assertContainsRe(output_string, "--date [0-9.]+")
1237
 
        self.assertLength(1, self._get_source_tree_calls)
1238
 
 
1239
 
    def test_verbose_test_count(self):
1240
 
        """A verbose test run reports the right test count at the start"""
1241
 
        suite = TestUtil.TestSuite([
1242
 
            unittest.FunctionTestCase(lambda:None),
1243
 
            unittest.FunctionTestCase(lambda:None)])
1244
 
        self.assertEqual(suite.countTestCases(), 2)
1245
 
        stream = StringIO()
1246
 
        runner = tests.TextTestRunner(stream=stream, verbosity=2)
1247
 
        # Need to use the CountingDecorator as that's what sets num_tests
1248
 
        result = self.run_test_runner(runner, tests.CountingDecorator(suite))
1249
 
        self.assertStartsWith(stream.getvalue(), "running 2 tests")
1250
 
 
1251
 
    def test_startTestRun(self):
1252
 
        """run should call result.startTestRun()"""
1253
 
        calls = []
1254
 
        class LoggingDecorator(tests.ForwardingResult):
1255
 
            def startTestRun(self):
1256
 
                tests.ForwardingResult.startTestRun(self)
1257
 
                calls.append('startTestRun')
1258
 
        test = unittest.FunctionTestCase(lambda:None)
1259
 
        stream = StringIO()
1260
 
        runner = tests.TextTestRunner(stream=stream,
1261
 
            result_decorators=[LoggingDecorator])
1262
 
        result = self.run_test_runner(runner, test)
1263
 
        self.assertLength(1, calls)
1264
 
 
1265
 
    def test_stopTestRun(self):
1266
 
        """run should call result.stopTestRun()"""
1267
 
        calls = []
1268
 
        class LoggingDecorator(tests.ForwardingResult):
1269
 
            def stopTestRun(self):
1270
 
                tests.ForwardingResult.stopTestRun(self)
1271
 
                calls.append('stopTestRun')
1272
 
        test = unittest.FunctionTestCase(lambda:None)
1273
 
        stream = StringIO()
1274
 
        runner = tests.TextTestRunner(stream=stream,
1275
 
            result_decorators=[LoggingDecorator])
1276
 
        result = self.run_test_runner(runner, test)
1277
 
        self.assertLength(1, calls)
1278
 
 
1279
 
 
1280
 
class SampleTestCase(tests.TestCase):
1281
 
 
1282
 
    def _test_pass(self):
1283
 
        pass
1284
 
 
1285
 
class _TestException(Exception):
1286
 
    pass
1287
 
 
1288
 
 
1289
 
class TestTestCase(tests.TestCase):
1290
 
    """Tests that test the core bzrlib TestCase."""
1291
 
 
1292
 
    def test_assertLength_matches_empty(self):
1293
 
        a_list = []
1294
 
        self.assertLength(0, a_list)
1295
 
 
1296
 
    def test_assertLength_matches_nonempty(self):
1297
 
        a_list = [1, 2, 3]
1298
 
        self.assertLength(3, a_list)
1299
 
 
1300
 
    def test_assertLength_fails_different(self):
1301
 
        a_list = []
1302
 
        self.assertRaises(AssertionError, self.assertLength, 1, a_list)
1303
 
 
1304
 
    def test_assertLength_shows_sequence_in_failure(self):
1305
 
        a_list = [1, 2, 3]
1306
 
        exception = self.assertRaises(AssertionError, self.assertLength, 2,
1307
 
            a_list)
1308
 
        self.assertEqual('Incorrect length: wanted 2, got 3 for [1, 2, 3]',
1309
 
            exception.args[0])
1310
 
 
1311
 
    def test_base_setUp_not_called_causes_failure(self):
1312
 
        class TestCaseWithBrokenSetUp(tests.TestCase):
1313
 
            def setUp(self):
1314
 
                pass # does not call TestCase.setUp
1315
 
            def test_foo(self):
1316
 
                pass
1317
 
        test = TestCaseWithBrokenSetUp('test_foo')
1318
 
        result = unittest.TestResult()
1319
 
        test.run(result)
1320
 
        self.assertFalse(result.wasSuccessful())
1321
 
        self.assertEqual(1, result.testsRun)
1322
 
 
1323
 
    def test_base_tearDown_not_called_causes_failure(self):
1324
 
        class TestCaseWithBrokenTearDown(tests.TestCase):
1325
 
            def tearDown(self):
1326
 
                pass # does not call TestCase.tearDown
1327
 
            def test_foo(self):
1328
 
                pass
1329
 
        test = TestCaseWithBrokenTearDown('test_foo')
1330
 
        result = unittest.TestResult()
1331
 
        test.run(result)
1332
 
        self.assertFalse(result.wasSuccessful())
1333
 
        self.assertEqual(1, result.testsRun)
1334
 
 
1335
 
    def test_debug_flags_sanitised(self):
1336
 
        """The bzrlib debug flags should be sanitised by setUp."""
1337
 
        if 'allow_debug' in tests.selftest_debug_flags:
1338
 
            raise tests.TestNotApplicable(
1339
 
                '-Eallow_debug option prevents debug flag sanitisation')
1340
 
        # we could set something and run a test that will check
1341
 
        # it gets santised, but this is probably sufficient for now:
1342
 
        # if someone runs the test with -Dsomething it will error.
1343
 
        flags = set()
1344
 
        if self._lock_check_thorough:
1345
 
            flags.add('strict_locks')
1346
 
        self.assertEqual(flags, bzrlib.debug.debug_flags)
1347
 
 
1348
 
    def change_selftest_debug_flags(self, new_flags):
1349
 
        self.overrideAttr(tests, 'selftest_debug_flags', set(new_flags))
1350
 
 
1351
 
    def test_allow_debug_flag(self):
1352
 
        """The -Eallow_debug flag prevents bzrlib.debug.debug_flags from being
1353
 
        sanitised (i.e. cleared) before running a test.
1354
 
        """
1355
 
        self.change_selftest_debug_flags(set(['allow_debug']))
1356
 
        bzrlib.debug.debug_flags = set(['a-flag'])
1357
 
        class TestThatRecordsFlags(tests.TestCase):
1358
 
            def test_foo(nested_self):
1359
 
                self.flags = set(bzrlib.debug.debug_flags)
1360
 
        test = TestThatRecordsFlags('test_foo')
1361
 
        test.run(self.make_test_result())
1362
 
        flags = set(['a-flag'])
1363
 
        if 'disable_lock_checks' not in tests.selftest_debug_flags:
1364
 
            flags.add('strict_locks')
1365
 
        self.assertEqual(flags, self.flags)
1366
 
 
1367
 
    def test_disable_lock_checks(self):
1368
 
        """The -Edisable_lock_checks flag disables thorough checks."""
1369
 
        class TestThatRecordsFlags(tests.TestCase):
1370
 
            def test_foo(nested_self):
1371
 
                self.flags = set(bzrlib.debug.debug_flags)
1372
 
                self.test_lock_check_thorough = nested_self._lock_check_thorough
1373
 
        self.change_selftest_debug_flags(set())
1374
 
        test = TestThatRecordsFlags('test_foo')
1375
 
        test.run(self.make_test_result())
1376
 
        # By default we do strict lock checking and thorough lock/unlock
1377
 
        # tracking.
1378
 
        self.assertTrue(self.test_lock_check_thorough)
1379
 
        self.assertEqual(set(['strict_locks']), self.flags)
1380
 
        # Now set the disable_lock_checks flag, and show that this changed.
1381
 
        self.change_selftest_debug_flags(set(['disable_lock_checks']))
1382
 
        test = TestThatRecordsFlags('test_foo')
1383
 
        test.run(self.make_test_result())
1384
 
        self.assertFalse(self.test_lock_check_thorough)
1385
 
        self.assertEqual(set(), self.flags)
1386
 
 
1387
 
    def test_this_fails_strict_lock_check(self):
1388
 
        class TestThatRecordsFlags(tests.TestCase):
1389
 
            def test_foo(nested_self):
1390
 
                self.flags1 = set(bzrlib.debug.debug_flags)
1391
 
                self.thisFailsStrictLockCheck()
1392
 
                self.flags2 = set(bzrlib.debug.debug_flags)
1393
 
        # Make sure lock checking is active
1394
 
        self.change_selftest_debug_flags(set())
1395
 
        test = TestThatRecordsFlags('test_foo')
1396
 
        test.run(self.make_test_result())
1397
 
        self.assertEqual(set(['strict_locks']), self.flags1)
1398
 
        self.assertEqual(set(), self.flags2)
1399
 
 
1400
 
    def test_debug_flags_restored(self):
1401
 
        """The bzrlib debug flags should be restored to their original state
1402
 
        after the test was run, even if allow_debug is set.
1403
 
        """
1404
 
        self.change_selftest_debug_flags(set(['allow_debug']))
1405
 
        # Now run a test that modifies debug.debug_flags.
1406
 
        bzrlib.debug.debug_flags = set(['original-state'])
1407
 
        class TestThatModifiesFlags(tests.TestCase):
1408
 
            def test_foo(self):
1409
 
                bzrlib.debug.debug_flags = set(['modified'])
1410
 
        test = TestThatModifiesFlags('test_foo')
1411
 
        test.run(self.make_test_result())
1412
 
        self.assertEqual(set(['original-state']), bzrlib.debug.debug_flags)
1413
 
 
1414
 
    def make_test_result(self):
1415
 
        """Get a test result that writes to the test log file."""
1416
 
        return tests.TextTestResult(self._log_file, descriptions=0, verbosity=1)
1417
 
 
1418
 
    def inner_test(self):
1419
 
        # the inner child test
1420
 
        note("inner_test")
1421
 
 
1422
 
    def outer_child(self):
1423
 
        # the outer child test
1424
 
        note("outer_start")
1425
 
        self.inner_test = TestTestCase("inner_child")
1426
 
        result = self.make_test_result()
1427
 
        self.inner_test.run(result)
1428
 
        note("outer finish")
1429
 
        self.addCleanup(osutils.delete_any, self._log_file_name)
1430
 
 
1431
 
    def test_trace_nesting(self):
1432
 
        # this tests that each test case nests its trace facility correctly.
1433
 
        # we do this by running a test case manually. That test case (A)
1434
 
        # should setup a new log, log content to it, setup a child case (B),
1435
 
        # which should log independently, then case (A) should log a trailer
1436
 
        # and return.
1437
 
        # we do two nested children so that we can verify the state of the
1438
 
        # logs after the outer child finishes is correct, which a bad clean
1439
 
        # up routine in tearDown might trigger a fault in our test with only
1440
 
        # one child, we should instead see the bad result inside our test with
1441
 
        # the two children.
1442
 
        # the outer child test
1443
 
        original_trace = bzrlib.trace._trace_file
1444
 
        outer_test = TestTestCase("outer_child")
1445
 
        result = self.make_test_result()
1446
 
        outer_test.run(result)
1447
 
        self.assertEqual(original_trace, bzrlib.trace._trace_file)
1448
 
 
1449
 
    def method_that_times_a_bit_twice(self):
1450
 
        # call self.time twice to ensure it aggregates
1451
 
        self.time(time.sleep, 0.007)
1452
 
        self.time(time.sleep, 0.007)
1453
 
 
1454
 
    def test_time_creates_benchmark_in_result(self):
1455
 
        """Test that the TestCase.time() method accumulates a benchmark time."""
1456
 
        sample_test = TestTestCase("method_that_times_a_bit_twice")
1457
 
        output_stream = StringIO()
1458
 
        result = bzrlib.tests.VerboseTestResult(
1459
 
            output_stream,
1460
 
            descriptions=0,
1461
 
            verbosity=2)
1462
 
        sample_test.run(result)
1463
 
        self.assertContainsRe(
1464
 
            output_stream.getvalue(),
1465
 
            r"\d+ms\*\n$")
1466
 
 
1467
 
    def test_hooks_sanitised(self):
1468
 
        """The bzrlib hooks should be sanitised by setUp."""
1469
 
        # Note this test won't fail with hooks that the core library doesn't
1470
 
        # use - but it trigger with a plugin that adds hooks, so its still a
1471
 
        # useful warning in that case.
1472
 
        self.assertEqual(bzrlib.branch.BranchHooks(),
1473
 
            bzrlib.branch.Branch.hooks)
1474
 
        self.assertEqual(bzrlib.smart.server.SmartServerHooks(),
1475
 
            bzrlib.smart.server.SmartTCPServer.hooks)
1476
 
        self.assertEqual(bzrlib.commands.CommandHooks(),
1477
 
            bzrlib.commands.Command.hooks)
1478
 
 
1479
 
    def test__gather_lsprof_in_benchmarks(self):
1480
 
        """When _gather_lsprof_in_benchmarks is on, accumulate profile data.
1481
 
 
1482
 
        Each self.time() call is individually and separately profiled.
1483
 
        """
1484
 
        self.requireFeature(test_lsprof.LSProfFeature)
1485
 
        # overrides the class member with an instance member so no cleanup
1486
 
        # needed.
1487
 
        self._gather_lsprof_in_benchmarks = True
1488
 
        self.time(time.sleep, 0.000)
1489
 
        self.time(time.sleep, 0.003)
1490
 
        self.assertEqual(2, len(self._benchcalls))
1491
 
        self.assertEqual((time.sleep, (0.000,), {}), self._benchcalls[0][0])
1492
 
        self.assertEqual((time.sleep, (0.003,), {}), self._benchcalls[1][0])
1493
 
        self.assertIsInstance(self._benchcalls[0][1], bzrlib.lsprof.Stats)
1494
 
        self.assertIsInstance(self._benchcalls[1][1], bzrlib.lsprof.Stats)
1495
 
        del self._benchcalls[:]
1496
 
 
1497
 
    def test_knownFailure(self):
1498
 
        """Self.knownFailure() should raise a KnownFailure exception."""
1499
 
        self.assertRaises(tests.KnownFailure, self.knownFailure, "A Failure")
1500
 
 
1501
 
    def test_open_bzrdir_safe_roots(self):
1502
 
        # even a memory transport should fail to open when its url isn't 
1503
 
        # permitted.
1504
 
        # Manually set one up (TestCase doesn't and shouldn't provide magic
1505
 
        # machinery)
1506
 
        transport_server = memory.MemoryServer()
1507
 
        transport_server.start_server()
1508
 
        self.addCleanup(transport_server.stop_server)
1509
 
        t = transport.get_transport(transport_server.get_url())
1510
 
        bzrdir.BzrDir.create(t.base)
1511
 
        self.assertRaises(errors.BzrError,
1512
 
            bzrdir.BzrDir.open_from_transport, t)
1513
 
        # But if we declare this as safe, we can open the bzrdir.
1514
 
        self.permit_url(t.base)
1515
 
        self._bzr_selftest_roots.append(t.base)
1516
 
        bzrdir.BzrDir.open_from_transport(t)
1517
 
 
1518
 
    def test_requireFeature_available(self):
1519
 
        """self.requireFeature(available) is a no-op."""
1520
 
        class Available(tests.Feature):
1521
 
            def _probe(self):return True
1522
 
        feature = Available()
1523
 
        self.requireFeature(feature)
1524
 
 
1525
 
    def test_requireFeature_unavailable(self):
1526
 
        """self.requireFeature(unavailable) raises UnavailableFeature."""
1527
 
        class Unavailable(tests.Feature):
1528
 
            def _probe(self):return False
1529
 
        feature = Unavailable()
1530
 
        self.assertRaises(tests.UnavailableFeature,
1531
 
                          self.requireFeature, feature)
1532
 
 
1533
 
    def test_run_no_parameters(self):
1534
 
        test = SampleTestCase('_test_pass')
1535
 
        test.run()
1536
 
 
1537
 
    def test_run_enabled_unittest_result(self):
1538
 
        """Test we revert to regular behaviour when the test is enabled."""
1539
 
        test = SampleTestCase('_test_pass')
1540
 
        class EnabledFeature(object):
1541
 
            def available(self):
1542
 
                return True
1543
 
        test._test_needs_features = [EnabledFeature()]
1544
 
        result = unittest.TestResult()
1545
 
        test.run(result)
1546
 
        self.assertEqual(1, result.testsRun)
1547
 
        self.assertEqual([], result.errors)
1548
 
        self.assertEqual([], result.failures)
1549
 
 
1550
 
    def test_run_disabled_unittest_result(self):
1551
 
        """Test our compatability for disabled tests with unittest results."""
1552
 
        test = SampleTestCase('_test_pass')
1553
 
        class DisabledFeature(object):
1554
 
            def available(self):
1555
 
                return False
1556
 
        test._test_needs_features = [DisabledFeature()]
1557
 
        result = unittest.TestResult()
1558
 
        test.run(result)
1559
 
        self.assertEqual(1, result.testsRun)
1560
 
        self.assertEqual([], result.errors)
1561
 
        self.assertEqual([], result.failures)
1562
 
 
1563
 
    def test_run_disabled_supporting_result(self):
1564
 
        """Test disabled tests behaviour with support aware results."""
1565
 
        test = SampleTestCase('_test_pass')
1566
 
        class DisabledFeature(object):
1567
 
            def __eq__(self, other):
1568
 
                return isinstance(other, DisabledFeature)
1569
 
            def available(self):
1570
 
                return False
1571
 
        the_feature = DisabledFeature()
1572
 
        test._test_needs_features = [the_feature]
1573
 
        class InstrumentedTestResult(unittest.TestResult):
1574
 
            def __init__(self):
1575
 
                unittest.TestResult.__init__(self)
1576
 
                self.calls = []
1577
 
            def startTest(self, test):
1578
 
                self.calls.append(('startTest', test))
1579
 
            def stopTest(self, test):
1580
 
                self.calls.append(('stopTest', test))
1581
 
            def addNotSupported(self, test, feature):
1582
 
                self.calls.append(('addNotSupported', test, feature))
1583
 
        result = InstrumentedTestResult()
1584
 
        test.run(result)
1585
 
        case = result.calls[0][1]
1586
 
        self.assertEqual([
1587
 
            ('startTest', case),
1588
 
            ('addNotSupported', case, the_feature),
1589
 
            ('stopTest', case),
1590
 
            ],
1591
 
            result.calls)
1592
 
 
1593
 
    def test_start_server_registers_url(self):
1594
 
        transport_server = memory.MemoryServer()
1595
 
        # A little strict, but unlikely to be changed soon.
1596
 
        self.assertEqual([], self._bzr_selftest_roots)
1597
 
        self.start_server(transport_server)
1598
 
        self.assertSubset([transport_server.get_url()],
1599
 
            self._bzr_selftest_roots)
1600
 
 
1601
 
    def test_assert_list_raises_on_generator(self):
1602
 
        def generator_which_will_raise():
1603
 
            # This will not raise until after the first yield
1604
 
            yield 1
1605
 
            raise _TestException()
1606
 
 
1607
 
        e = self.assertListRaises(_TestException, generator_which_will_raise)
1608
 
        self.assertIsInstance(e, _TestException)
1609
 
 
1610
 
        e = self.assertListRaises(Exception, generator_which_will_raise)
1611
 
        self.assertIsInstance(e, _TestException)
1612
 
 
1613
 
    def test_assert_list_raises_on_plain(self):
1614
 
        def plain_exception():
1615
 
            raise _TestException()
1616
 
            return []
1617
 
 
1618
 
        e = self.assertListRaises(_TestException, plain_exception)
1619
 
        self.assertIsInstance(e, _TestException)
1620
 
 
1621
 
        e = self.assertListRaises(Exception, plain_exception)
1622
 
        self.assertIsInstance(e, _TestException)
1623
 
 
1624
 
    def test_assert_list_raises_assert_wrong_exception(self):
1625
 
        class _NotTestException(Exception):
1626
 
            pass
1627
 
 
1628
 
        def wrong_exception():
1629
 
            raise _NotTestException()
1630
 
 
1631
 
        def wrong_exception_generator():
1632
 
            yield 1
1633
 
            yield 2
1634
 
            raise _NotTestException()
1635
 
 
1636
 
        # Wrong exceptions are not intercepted
1637
 
        self.assertRaises(_NotTestException,
1638
 
            self.assertListRaises, _TestException, wrong_exception)
1639
 
        self.assertRaises(_NotTestException,
1640
 
            self.assertListRaises, _TestException, wrong_exception_generator)
1641
 
 
1642
 
    def test_assert_list_raises_no_exception(self):
1643
 
        def success():
1644
 
            return []
1645
 
 
1646
 
        def success_generator():
1647
 
            yield 1
1648
 
            yield 2
1649
 
 
1650
 
        self.assertRaises(AssertionError,
1651
 
            self.assertListRaises, _TestException, success)
1652
 
 
1653
 
        self.assertRaises(AssertionError,
1654
 
            self.assertListRaises, _TestException, success_generator)
1655
 
 
1656
 
    def test_overrideAttr_without_value(self):
1657
 
        self.test_attr = 'original' # Define a test attribute
1658
 
        obj = self # Make 'obj' visible to the embedded test
1659
 
        class Test(tests.TestCase):
1660
 
 
1661
 
            def setUp(self):
1662
 
                tests.TestCase.setUp(self)
1663
 
                self.orig = self.overrideAttr(obj, 'test_attr')
1664
 
 
1665
 
            def test_value(self):
1666
 
                self.assertEqual('original', self.orig)
1667
 
                self.assertEqual('original', obj.test_attr)
1668
 
                obj.test_attr = 'modified'
1669
 
                self.assertEqual('modified', obj.test_attr)
1670
 
 
1671
 
        test = Test('test_value')
1672
 
        test.run(unittest.TestResult())
1673
 
        self.assertEqual('original', obj.test_attr)
1674
 
 
1675
 
    def test_overrideAttr_with_value(self):
1676
 
        self.test_attr = 'original' # Define a test attribute
1677
 
        obj = self # Make 'obj' visible to the embedded test
1678
 
        class Test(tests.TestCase):
1679
 
 
1680
 
            def setUp(self):
1681
 
                tests.TestCase.setUp(self)
1682
 
                self.orig = self.overrideAttr(obj, 'test_attr', new='modified')
1683
 
 
1684
 
            def test_value(self):
1685
 
                self.assertEqual('original', self.orig)
1686
 
                self.assertEqual('modified', obj.test_attr)
1687
 
 
1688
 
        test = Test('test_value')
1689
 
        test.run(unittest.TestResult())
1690
 
        self.assertEqual('original', obj.test_attr)
1691
 
 
1692
 
 
1693
 
class TestTestCloning(tests.TestCase):
1694
 
    """Tests that test cloning of TestCases (as used by multiply_tests)."""
1695
 
 
1696
 
    def test_cloned_testcase_does_not_share_details(self):
1697
 
        """A TestCase cloned with clone_test does not share mutable attributes
1698
 
        such as details or cleanups.
1699
 
        """
1700
 
        class Test(tests.TestCase):
1701
 
            def test_foo(self):
1702
 
                self.addDetail('foo', Content('text/plain', lambda: 'foo'))
1703
 
        orig_test = Test('test_foo')
1704
 
        cloned_test = tests.clone_test(orig_test, orig_test.id() + '(cloned)')
1705
 
        orig_test.run(unittest.TestResult())
1706
 
        self.assertEqual('foo', orig_test.getDetails()['foo'].iter_bytes())
1707
 
        self.assertEqual(None, cloned_test.getDetails().get('foo'))
1708
 
 
1709
 
    def test_double_apply_scenario_preserves_first_scenario(self):
1710
 
        """Applying two levels of scenarios to a test preserves the attributes
1711
 
        added by both scenarios.
1712
 
        """
1713
 
        class Test(tests.TestCase):
1714
 
            def test_foo(self):
1715
 
                pass
1716
 
        test = Test('test_foo')
1717
 
        scenarios_x = [('x=1', {'x': 1}), ('x=2', {'x': 2})]
1718
 
        scenarios_y = [('y=1', {'y': 1}), ('y=2', {'y': 2})]
1719
 
        suite = tests.multiply_tests(test, scenarios_x, unittest.TestSuite())
1720
 
        suite = tests.multiply_tests(suite, scenarios_y, unittest.TestSuite())
1721
 
        all_tests = list(tests.iter_suite_tests(suite))
1722
 
        self.assertLength(4, all_tests)
1723
 
        all_xys = sorted((t.x, t.y) for t in all_tests)
1724
 
        self.assertEqual([(1, 1), (1, 2), (2, 1), (2, 2)], all_xys)
1725
 
 
1726
 
 
1727
 
# NB: Don't delete this; it's not actually from 0.11!
1728
 
@deprecated_function(deprecated_in((0, 11, 0)))
1729
 
def sample_deprecated_function():
1730
 
    """A deprecated function to test applyDeprecated with."""
1731
 
    return 2
1732
 
 
1733
 
 
1734
 
def sample_undeprecated_function(a_param):
1735
 
    """A undeprecated function to test applyDeprecated with."""
1736
 
 
1737
 
 
1738
 
class ApplyDeprecatedHelper(object):
1739
 
    """A helper class for ApplyDeprecated tests."""
1740
 
 
1741
 
    @deprecated_method(deprecated_in((0, 11, 0)))
1742
 
    def sample_deprecated_method(self, param_one):
1743
 
        """A deprecated method for testing with."""
1744
 
        return param_one
1745
 
 
1746
 
    def sample_normal_method(self):
1747
 
        """A undeprecated method."""
1748
 
 
1749
 
    @deprecated_method(deprecated_in((0, 10, 0)))
1750
 
    def sample_nested_deprecation(self):
1751
 
        return sample_deprecated_function()
1752
 
 
1753
 
 
1754
 
class TestExtraAssertions(tests.TestCase):
1755
 
    """Tests for new test assertions in bzrlib test suite"""
1756
 
 
1757
 
    def test_assert_isinstance(self):
1758
 
        self.assertIsInstance(2, int)
1759
 
        self.assertIsInstance(u'', basestring)
1760
 
        e = self.assertRaises(AssertionError, self.assertIsInstance, None, int)
1761
 
        self.assertEquals(str(e),
1762
 
            "None is an instance of <type 'NoneType'> rather than <type 'int'>")
1763
 
        self.assertRaises(AssertionError, self.assertIsInstance, 23.3, int)
1764
 
        e = self.assertRaises(AssertionError,
1765
 
            self.assertIsInstance, None, int, "it's just not")
1766
 
        self.assertEquals(str(e),
1767
 
            "None is an instance of <type 'NoneType'> rather than <type 'int'>"
1768
 
            ": it's just not")
1769
 
 
1770
 
    def test_assertEndsWith(self):
1771
 
        self.assertEndsWith('foo', 'oo')
1772
 
        self.assertRaises(AssertionError, self.assertEndsWith, 'o', 'oo')
1773
 
 
1774
 
    def test_assertEqualDiff(self):
1775
 
        e = self.assertRaises(AssertionError,
1776
 
                              self.assertEqualDiff, '', '\n')
1777
 
        self.assertEquals(str(e),
1778
 
                          # Don't blink ! The '+' applies to the second string
1779
 
                          'first string is missing a final newline.\n+ \n')
1780
 
        e = self.assertRaises(AssertionError,
1781
 
                              self.assertEqualDiff, '\n', '')
1782
 
        self.assertEquals(str(e),
1783
 
                          # Don't blink ! The '-' applies to the second string
1784
 
                          'second string is missing a final newline.\n- \n')
1785
 
 
1786
 
 
1787
 
class TestDeprecations(tests.TestCase):
1788
 
 
1789
 
    def test_applyDeprecated_not_deprecated(self):
1790
 
        sample_object = ApplyDeprecatedHelper()
1791
 
        # calling an undeprecated callable raises an assertion
1792
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1793
 
            deprecated_in((0, 11, 0)),
1794
 
            sample_object.sample_normal_method)
1795
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1796
 
            deprecated_in((0, 11, 0)),
1797
 
            sample_undeprecated_function, "a param value")
1798
 
        # calling a deprecated callable (function or method) with the wrong
1799
 
        # expected deprecation fails.
1800
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1801
 
            deprecated_in((0, 10, 0)),
1802
 
            sample_object.sample_deprecated_method, "a param value")
1803
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1804
 
            deprecated_in((0, 10, 0)),
1805
 
            sample_deprecated_function)
1806
 
        # calling a deprecated callable (function or method) with the right
1807
 
        # expected deprecation returns the functions result.
1808
 
        self.assertEqual("a param value",
1809
 
            self.applyDeprecated(deprecated_in((0, 11, 0)),
1810
 
            sample_object.sample_deprecated_method, "a param value"))
1811
 
        self.assertEqual(2, self.applyDeprecated(deprecated_in((0, 11, 0)),
1812
 
            sample_deprecated_function))
1813
 
        # calling a nested deprecation with the wrong deprecation version
1814
 
        # fails even if a deeper nested function was deprecated with the
1815
 
        # supplied version.
1816
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1817
 
            deprecated_in((0, 11, 0)), sample_object.sample_nested_deprecation)
1818
 
        # calling a nested deprecation with the right deprecation value
1819
 
        # returns the calls result.
1820
 
        self.assertEqual(2, self.applyDeprecated(deprecated_in((0, 10, 0)),
1821
 
            sample_object.sample_nested_deprecation))
1822
 
 
1823
 
    def test_callDeprecated(self):
1824
 
        def testfunc(be_deprecated, result=None):
1825
 
            if be_deprecated is True:
1826
 
                symbol_versioning.warn('i am deprecated', DeprecationWarning,
1827
 
                                       stacklevel=1)
1828
 
            return result
1829
 
        result = self.callDeprecated(['i am deprecated'], testfunc, True)
1830
 
        self.assertIs(None, result)
1831
 
        result = self.callDeprecated([], testfunc, False, 'result')
1832
 
        self.assertEqual('result', result)
1833
 
        self.callDeprecated(['i am deprecated'], testfunc, be_deprecated=True)
1834
 
        self.callDeprecated([], testfunc, be_deprecated=False)
1835
 
 
1836
 
 
1837
 
class TestWarningTests(tests.TestCase):
1838
 
    """Tests for calling methods that raise warnings."""
1839
 
 
1840
 
    def test_callCatchWarnings(self):
1841
 
        def meth(a, b):
1842
 
            warnings.warn("this is your last warning")
1843
 
            return a + b
1844
 
        wlist, result = self.callCatchWarnings(meth, 1, 2)
1845
 
        self.assertEquals(3, result)
1846
 
        # would like just to compare them, but UserWarning doesn't implement
1847
 
        # eq well
1848
 
        w0, = wlist
1849
 
        self.assertIsInstance(w0, UserWarning)
1850
 
        self.assertEquals("this is your last warning", str(w0))
1851
 
 
1852
 
 
1853
 
class TestConvenienceMakers(tests.TestCaseWithTransport):
1854
 
    """Test for the make_* convenience functions."""
1855
 
 
1856
 
    def test_make_branch_and_tree_with_format(self):
1857
 
        # we should be able to supply a format to make_branch_and_tree
1858
 
        self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
1859
 
        self.make_branch_and_tree('b', format=bzrlib.bzrdir.BzrDirFormat6())
1860
 
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
1861
 
                              bzrlib.bzrdir.BzrDirMetaFormat1)
1862
 
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('b')._format,
1863
 
                              bzrlib.bzrdir.BzrDirFormat6)
1864
 
 
1865
 
    def test_make_branch_and_memory_tree(self):
1866
 
        # we should be able to get a new branch and a mutable tree from
1867
 
        # TestCaseWithTransport
1868
 
        tree = self.make_branch_and_memory_tree('a')
1869
 
        self.assertIsInstance(tree, bzrlib.memorytree.MemoryTree)
1870
 
 
1871
 
    def test_make_tree_for_local_vfs_backed_transport(self):
1872
 
        # make_branch_and_tree has to use local branch and repositories
1873
 
        # when the vfs transport and local disk are colocated, even if
1874
 
        # a different transport is in use for url generation.
1875
 
        self.transport_server = test_server.FakeVFATServer
1876
 
        self.assertFalse(self.get_url('t1').startswith('file://'))
1877
 
        tree = self.make_branch_and_tree('t1')
1878
 
        base = tree.bzrdir.root_transport.base
1879
 
        self.assertStartsWith(base, 'file://')
1880
 
        self.assertEquals(tree.bzrdir.root_transport,
1881
 
                tree.branch.bzrdir.root_transport)
1882
 
        self.assertEquals(tree.bzrdir.root_transport,
1883
 
                tree.branch.repository.bzrdir.root_transport)
1884
 
 
1885
 
 
1886
 
class SelfTestHelper:
1887
 
 
1888
 
    def run_selftest(self, **kwargs):
1889
 
        """Run selftest returning its output."""
1890
 
        output = StringIO()
1891
 
        old_transport = bzrlib.tests.default_transport
1892
 
        old_root = tests.TestCaseWithMemoryTransport.TEST_ROOT
1893
 
        tests.TestCaseWithMemoryTransport.TEST_ROOT = None
1894
 
        try:
1895
 
            self.assertEqual(True, tests.selftest(stream=output, **kwargs))
1896
 
        finally:
1897
 
            bzrlib.tests.default_transport = old_transport
1898
 
            tests.TestCaseWithMemoryTransport.TEST_ROOT = old_root
1899
 
        output.seek(0)
1900
 
        return output
1901
 
 
1902
 
 
1903
 
class TestSelftest(tests.TestCase, SelfTestHelper):
1904
 
    """Tests of bzrlib.tests.selftest."""
1905
 
 
1906
 
    def test_selftest_benchmark_parameter_invokes_test_suite__benchmark__(self):
1907
 
        factory_called = []
1908
 
        def factory():
1909
 
            factory_called.append(True)
1910
 
            return TestUtil.TestSuite()
1911
 
        out = StringIO()
1912
 
        err = StringIO()
1913
 
        self.apply_redirected(out, err, None, bzrlib.tests.selftest,
1914
 
            test_suite_factory=factory)
1915
 
        self.assertEqual([True], factory_called)
1916
 
 
1917
 
    def factory(self):
1918
 
        """A test suite factory."""
1919
 
        class Test(tests.TestCase):
1920
 
            def a(self):
1921
 
                pass
1922
 
            def b(self):
1923
 
                pass
1924
 
            def c(self):
1925
 
                pass
1926
 
        return TestUtil.TestSuite([Test("a"), Test("b"), Test("c")])
1927
 
 
1928
 
    def test_list_only(self):
1929
 
        output = self.run_selftest(test_suite_factory=self.factory,
1930
 
            list_only=True)
1931
 
        self.assertEqual(3, len(output.readlines()))
1932
 
 
1933
 
    def test_list_only_filtered(self):
1934
 
        output = self.run_selftest(test_suite_factory=self.factory,
1935
 
            list_only=True, pattern="Test.b")
1936
 
        self.assertEndsWith(output.getvalue(), "Test.b\n")
1937
 
        self.assertLength(1, output.readlines())
1938
 
 
1939
 
    def test_list_only_excludes(self):
1940
 
        output = self.run_selftest(test_suite_factory=self.factory,
1941
 
            list_only=True, exclude_pattern="Test.b")
1942
 
        self.assertNotContainsRe("Test.b", output.getvalue())
1943
 
        self.assertLength(2, output.readlines())
1944
 
 
1945
 
    def test_lsprof_tests(self):
1946
 
        self.requireFeature(test_lsprof.LSProfFeature)
1947
 
        calls = []
1948
 
        class Test(object):
1949
 
            def __call__(test, result):
1950
 
                test.run(result)
1951
 
            def run(test, result):
1952
 
                self.assertIsInstance(result, tests.ForwardingResult)
1953
 
                calls.append("called")
1954
 
            def countTestCases(self):
1955
 
                return 1
1956
 
        self.run_selftest(test_suite_factory=Test, lsprof_tests=True)
1957
 
        self.assertLength(1, calls)
1958
 
 
1959
 
    def test_random(self):
1960
 
        # test randomising by listing a number of tests.
1961
 
        output_123 = self.run_selftest(test_suite_factory=self.factory,
1962
 
            list_only=True, random_seed="123")
1963
 
        output_234 = self.run_selftest(test_suite_factory=self.factory,
1964
 
            list_only=True, random_seed="234")
1965
 
        self.assertNotEqual(output_123, output_234)
1966
 
        # "Randominzing test order..\n\n
1967
 
        self.assertLength(5, output_123.readlines())
1968
 
        self.assertLength(5, output_234.readlines())
1969
 
 
1970
 
    def test_random_reuse_is_same_order(self):
1971
 
        # test randomising by listing a number of tests.
1972
 
        expected = self.run_selftest(test_suite_factory=self.factory,
1973
 
            list_only=True, random_seed="123")
1974
 
        repeated = self.run_selftest(test_suite_factory=self.factory,
1975
 
            list_only=True, random_seed="123")
1976
 
        self.assertEqual(expected.getvalue(), repeated.getvalue())
1977
 
 
1978
 
    def test_runner_class(self):
1979
 
        self.requireFeature(features.subunit)
1980
 
        from subunit import ProtocolTestCase
1981
 
        stream = self.run_selftest(runner_class=tests.SubUnitBzrRunner,
1982
 
            test_suite_factory=self.factory)
1983
 
        test = ProtocolTestCase(stream)
1984
 
        result = unittest.TestResult()
1985
 
        test.run(result)
1986
 
        self.assertEqual(3, result.testsRun)
1987
 
 
1988
 
    def test_starting_with_single_argument(self):
1989
 
        output = self.run_selftest(test_suite_factory=self.factory,
1990
 
            starting_with=['bzrlib.tests.test_selftest.Test.a'],
1991
 
            list_only=True)
1992
 
        self.assertEqual('bzrlib.tests.test_selftest.Test.a\n',
1993
 
            output.getvalue())
1994
 
 
1995
 
    def test_starting_with_multiple_argument(self):
1996
 
        output = self.run_selftest(test_suite_factory=self.factory,
1997
 
            starting_with=['bzrlib.tests.test_selftest.Test.a',
1998
 
                'bzrlib.tests.test_selftest.Test.b'],
1999
 
            list_only=True)
2000
 
        self.assertEqual('bzrlib.tests.test_selftest.Test.a\n'
2001
 
            'bzrlib.tests.test_selftest.Test.b\n',
2002
 
            output.getvalue())
2003
 
 
2004
 
    def check_transport_set(self, transport_server):
2005
 
        captured_transport = []
2006
 
        def seen_transport(a_transport):
2007
 
            captured_transport.append(a_transport)
2008
 
        class Capture(tests.TestCase):
2009
 
            def a(self):
2010
 
                seen_transport(bzrlib.tests.default_transport)
2011
 
        def factory():
2012
 
            return TestUtil.TestSuite([Capture("a")])
2013
 
        self.run_selftest(transport=transport_server, test_suite_factory=factory)
2014
 
        self.assertEqual(transport_server, captured_transport[0])
2015
 
 
2016
 
    def test_transport_sftp(self):
2017
 
        self.requireFeature(features.paramiko)
2018
 
        from bzrlib.tests import stub_sftp
2019
 
        self.check_transport_set(stub_sftp.SFTPAbsoluteServer)
2020
 
 
2021
 
    def test_transport_memory(self):
2022
 
        self.check_transport_set(memory.MemoryServer)
2023
 
 
2024
 
 
2025
 
class TestSelftestWithIdList(tests.TestCaseInTempDir, SelfTestHelper):
2026
 
    # Does IO: reads test.list
2027
 
 
2028
 
    def test_load_list(self):
2029
 
        # Provide a list with one test - this test.
2030
 
        test_id_line = '%s\n' % self.id()
2031
 
        self.build_tree_contents([('test.list', test_id_line)])
2032
 
        # And generate a list of the tests in  the suite.
2033
 
        stream = self.run_selftest(load_list='test.list', list_only=True)
2034
 
        self.assertEqual(test_id_line, stream.getvalue())
2035
 
 
2036
 
    def test_load_unknown(self):
2037
 
        # Provide a list with one test - this test.
2038
 
        # And generate a list of the tests in  the suite.
2039
 
        err = self.assertRaises(errors.NoSuchFile, self.run_selftest,
2040
 
            load_list='missing file name', list_only=True)
2041
 
 
2042
 
 
2043
 
class TestRunBzr(tests.TestCase):
2044
 
 
2045
 
    out = ''
2046
 
    err = ''
2047
 
 
2048
 
    def _run_bzr_core(self, argv, retcode=0, encoding=None, stdin=None,
2049
 
                         working_dir=None):
2050
 
        """Override _run_bzr_core to test how it is invoked by run_bzr.
2051
 
 
2052
 
        Attempts to run bzr from inside this class don't actually run it.
2053
 
 
2054
 
        We test how run_bzr actually invokes bzr in another location.  Here we
2055
 
        only need to test that it passes the right parameters to run_bzr.
2056
 
        """
2057
 
        self.argv = list(argv)
2058
 
        self.retcode = retcode
2059
 
        self.encoding = encoding
2060
 
        self.stdin = stdin
2061
 
        self.working_dir = working_dir
2062
 
        return self.retcode, self.out, self.err
2063
 
 
2064
 
    def test_run_bzr_error(self):
2065
 
        self.out = "It sure does!\n"
2066
 
        out, err = self.run_bzr_error(['^$'], ['rocks'], retcode=34)
2067
 
        self.assertEqual(['rocks'], self.argv)
2068
 
        self.assertEqual(34, self.retcode)
2069
 
        self.assertEqual('It sure does!\n', out)
2070
 
        self.assertEquals(out, self.out)
2071
 
        self.assertEqual('', err)
2072
 
        self.assertEquals(err, self.err)
2073
 
 
2074
 
    def test_run_bzr_error_regexes(self):
2075
 
        self.out = ''
2076
 
        self.err = "bzr: ERROR: foobarbaz is not versioned"
2077
 
        out, err = self.run_bzr_error(
2078
 
            ["bzr: ERROR: foobarbaz is not versioned"],
2079
 
            ['file-id', 'foobarbaz'])
2080
 
 
2081
 
    def test_encoding(self):
2082
 
        """Test that run_bzr passes encoding to _run_bzr_core"""
2083
 
        self.run_bzr('foo bar')
2084
 
        self.assertEqual(None, self.encoding)
2085
 
        self.assertEqual(['foo', 'bar'], self.argv)
2086
 
 
2087
 
        self.run_bzr('foo bar', encoding='baz')
2088
 
        self.assertEqual('baz', self.encoding)
2089
 
        self.assertEqual(['foo', 'bar'], self.argv)
2090
 
 
2091
 
    def test_retcode(self):
2092
 
        """Test that run_bzr passes retcode to _run_bzr_core"""
2093
 
        # Default is retcode == 0
2094
 
        self.run_bzr('foo bar')
2095
 
        self.assertEqual(0, self.retcode)
2096
 
        self.assertEqual(['foo', 'bar'], self.argv)
2097
 
 
2098
 
        self.run_bzr('foo bar', retcode=1)
2099
 
        self.assertEqual(1, self.retcode)
2100
 
        self.assertEqual(['foo', 'bar'], self.argv)
2101
 
 
2102
 
        self.run_bzr('foo bar', retcode=None)
2103
 
        self.assertEqual(None, self.retcode)
2104
 
        self.assertEqual(['foo', 'bar'], self.argv)
2105
 
 
2106
 
        self.run_bzr(['foo', 'bar'], retcode=3)
2107
 
        self.assertEqual(3, self.retcode)
2108
 
        self.assertEqual(['foo', 'bar'], self.argv)
2109
 
 
2110
 
    def test_stdin(self):
2111
 
        # test that the stdin keyword to run_bzr is passed through to
2112
 
        # _run_bzr_core as-is. We do this by overriding
2113
 
        # _run_bzr_core in this class, and then calling run_bzr,
2114
 
        # which is a convenience function for _run_bzr_core, so
2115
 
        # should invoke it.
2116
 
        self.run_bzr('foo bar', stdin='gam')
2117
 
        self.assertEqual('gam', self.stdin)
2118
 
        self.assertEqual(['foo', 'bar'], self.argv)
2119
 
 
2120
 
        self.run_bzr('foo bar', stdin='zippy')
2121
 
        self.assertEqual('zippy', self.stdin)
2122
 
        self.assertEqual(['foo', 'bar'], self.argv)
2123
 
 
2124
 
    def test_working_dir(self):
2125
 
        """Test that run_bzr passes working_dir to _run_bzr_core"""
2126
 
        self.run_bzr('foo bar')
2127
 
        self.assertEqual(None, self.working_dir)
2128
 
        self.assertEqual(['foo', 'bar'], self.argv)
2129
 
 
2130
 
        self.run_bzr('foo bar', working_dir='baz')
2131
 
        self.assertEqual('baz', self.working_dir)
2132
 
        self.assertEqual(['foo', 'bar'], self.argv)
2133
 
 
2134
 
    def test_reject_extra_keyword_arguments(self):
2135
 
        self.assertRaises(TypeError, self.run_bzr, "foo bar",
2136
 
                          error_regex=['error message'])
2137
 
 
2138
 
 
2139
 
class TestRunBzrCaptured(tests.TestCaseWithTransport):
2140
 
    # Does IO when testing the working_dir parameter.
2141
 
 
2142
 
    def apply_redirected(self, stdin=None, stdout=None, stderr=None,
2143
 
                         a_callable=None, *args, **kwargs):
2144
 
        self.stdin = stdin
2145
 
        self.factory_stdin = getattr(bzrlib.ui.ui_factory, "stdin", None)
2146
 
        self.factory = bzrlib.ui.ui_factory
2147
 
        self.working_dir = osutils.getcwd()
2148
 
        stdout.write('foo\n')
2149
 
        stderr.write('bar\n')
2150
 
        return 0
2151
 
 
2152
 
    def test_stdin(self):
2153
 
        # test that the stdin keyword to _run_bzr_core is passed through to
2154
 
        # apply_redirected as a StringIO. We do this by overriding
2155
 
        # apply_redirected in this class, and then calling _run_bzr_core,
2156
 
        # which calls apply_redirected.
2157
 
        self.run_bzr(['foo', 'bar'], stdin='gam')
2158
 
        self.assertEqual('gam', self.stdin.read())
2159
 
        self.assertTrue(self.stdin is self.factory_stdin)
2160
 
        self.run_bzr(['foo', 'bar'], stdin='zippy')
2161
 
        self.assertEqual('zippy', self.stdin.read())
2162
 
        self.assertTrue(self.stdin is self.factory_stdin)
2163
 
 
2164
 
    def test_ui_factory(self):
2165
 
        # each invocation of self.run_bzr should get its
2166
 
        # own UI factory, which is an instance of TestUIFactory,
2167
 
        # with stdin, stdout and stderr attached to the stdin,
2168
 
        # stdout and stderr of the invoked run_bzr
2169
 
        current_factory = bzrlib.ui.ui_factory
2170
 
        self.run_bzr(['foo'])
2171
 
        self.failIf(current_factory is self.factory)
2172
 
        self.assertNotEqual(sys.stdout, self.factory.stdout)
2173
 
        self.assertNotEqual(sys.stderr, self.factory.stderr)
2174
 
        self.assertEqual('foo\n', self.factory.stdout.getvalue())
2175
 
        self.assertEqual('bar\n', self.factory.stderr.getvalue())
2176
 
        self.assertIsInstance(self.factory, tests.TestUIFactory)
2177
 
 
2178
 
    def test_working_dir(self):
2179
 
        self.build_tree(['one/', 'two/'])
2180
 
        cwd = osutils.getcwd()
2181
 
 
2182
 
        # Default is to work in the current directory
2183
 
        self.run_bzr(['foo', 'bar'])
2184
 
        self.assertEqual(cwd, self.working_dir)
2185
 
 
2186
 
        self.run_bzr(['foo', 'bar'], working_dir=None)
2187
 
        self.assertEqual(cwd, self.working_dir)
2188
 
 
2189
 
        # The function should be run in the alternative directory
2190
 
        # but afterwards the current working dir shouldn't be changed
2191
 
        self.run_bzr(['foo', 'bar'], working_dir='one')
2192
 
        self.assertNotEqual(cwd, self.working_dir)
2193
 
        self.assertEndsWith(self.working_dir, 'one')
2194
 
        self.assertEqual(cwd, osutils.getcwd())
2195
 
 
2196
 
        self.run_bzr(['foo', 'bar'], working_dir='two')
2197
 
        self.assertNotEqual(cwd, self.working_dir)
2198
 
        self.assertEndsWith(self.working_dir, 'two')
2199
 
        self.assertEqual(cwd, osutils.getcwd())
2200
 
 
2201
 
 
2202
 
class StubProcess(object):
2203
 
    """A stub process for testing run_bzr_subprocess."""
2204
 
    
2205
 
    def __init__(self, out="", err="", retcode=0):
2206
 
        self.out = out
2207
 
        self.err = err
2208
 
        self.returncode = retcode
2209
 
 
2210
 
    def communicate(self):
2211
 
        return self.out, self.err
2212
 
 
2213
 
 
2214
 
class TestWithFakedStartBzrSubprocess(tests.TestCaseWithTransport):
2215
 
    """Base class for tests testing how we might run bzr."""
2216
 
 
2217
 
    def setUp(self):
2218
 
        tests.TestCaseWithTransport.setUp(self)
2219
 
        self.subprocess_calls = []
2220
 
 
2221
 
    def start_bzr_subprocess(self, process_args, env_changes=None,
2222
 
                             skip_if_plan_to_signal=False,
2223
 
                             working_dir=None,
2224
 
                             allow_plugins=False):
2225
 
        """capture what run_bzr_subprocess tries to do."""
2226
 
        self.subprocess_calls.append({'process_args':process_args,
2227
 
            'env_changes':env_changes,
2228
 
            'skip_if_plan_to_signal':skip_if_plan_to_signal,
2229
 
            'working_dir':working_dir, 'allow_plugins':allow_plugins})
2230
 
        return self.next_subprocess
2231
 
 
2232
 
 
2233
 
class TestRunBzrSubprocess(TestWithFakedStartBzrSubprocess):
2234
 
 
2235
 
    def assertRunBzrSubprocess(self, expected_args, process, *args, **kwargs):
2236
 
        """Run run_bzr_subprocess with args and kwargs using a stubbed process.
2237
 
 
2238
 
        Inside TestRunBzrSubprocessCommands we use a stub start_bzr_subprocess
2239
 
        that will return static results. This assertion method populates those
2240
 
        results and also checks the arguments run_bzr_subprocess generates.
2241
 
        """
2242
 
        self.next_subprocess = process
2243
 
        try:
2244
 
            result = self.run_bzr_subprocess(*args, **kwargs)
2245
 
        except:
2246
 
            self.next_subprocess = None
2247
 
            for key, expected in expected_args.iteritems():
2248
 
                self.assertEqual(expected, self.subprocess_calls[-1][key])
2249
 
            raise
2250
 
        else:
2251
 
            self.next_subprocess = None
2252
 
            for key, expected in expected_args.iteritems():
2253
 
                self.assertEqual(expected, self.subprocess_calls[-1][key])
2254
 
            return result
2255
 
 
2256
 
    def test_run_bzr_subprocess(self):
2257
 
        """The run_bzr_helper_external command behaves nicely."""
2258
 
        self.assertRunBzrSubprocess({'process_args':['--version']},
2259
 
            StubProcess(), '--version')
2260
 
        self.assertRunBzrSubprocess({'process_args':['--version']},
2261
 
            StubProcess(), ['--version'])
2262
 
        # retcode=None disables retcode checking
2263
 
        result = self.assertRunBzrSubprocess({},
2264
 
            StubProcess(retcode=3), '--version', retcode=None)
2265
 
        result = self.assertRunBzrSubprocess({},
2266
 
            StubProcess(out="is free software"), '--version')
2267
 
        self.assertContainsRe(result[0], 'is free software')
2268
 
        # Running a subcommand that is missing errors
2269
 
        self.assertRaises(AssertionError, self.assertRunBzrSubprocess,
2270
 
            {'process_args':['--versionn']}, StubProcess(retcode=3),
2271
 
            '--versionn')
2272
 
        # Unless it is told to expect the error from the subprocess
2273
 
        result = self.assertRunBzrSubprocess({},
2274
 
            StubProcess(retcode=3), '--versionn', retcode=3)
2275
 
        # Or to ignore retcode checking
2276
 
        result = self.assertRunBzrSubprocess({},
2277
 
            StubProcess(err="unknown command", retcode=3), '--versionn',
2278
 
            retcode=None)
2279
 
        self.assertContainsRe(result[1], 'unknown command')
2280
 
 
2281
 
    def test_env_change_passes_through(self):
2282
 
        self.assertRunBzrSubprocess(
2283
 
            {'env_changes':{'new':'value', 'changed':'newvalue', 'deleted':None}},
2284
 
            StubProcess(), '',
2285
 
            env_changes={'new':'value', 'changed':'newvalue', 'deleted':None})
2286
 
 
2287
 
    def test_no_working_dir_passed_as_None(self):
2288
 
        self.assertRunBzrSubprocess({'working_dir': None}, StubProcess(), '')
2289
 
 
2290
 
    def test_no_working_dir_passed_through(self):
2291
 
        self.assertRunBzrSubprocess({'working_dir': 'dir'}, StubProcess(), '',
2292
 
            working_dir='dir')
2293
 
 
2294
 
    def test_run_bzr_subprocess_no_plugins(self):
2295
 
        self.assertRunBzrSubprocess({'allow_plugins': False},
2296
 
            StubProcess(), '')
2297
 
 
2298
 
    def test_allow_plugins(self):
2299
 
        self.assertRunBzrSubprocess({'allow_plugins': True},
2300
 
            StubProcess(), '', allow_plugins=True)
2301
 
 
2302
 
 
2303
 
class TestFinishBzrSubprocess(TestWithFakedStartBzrSubprocess):
2304
 
 
2305
 
    def test_finish_bzr_subprocess_with_error(self):
2306
 
        """finish_bzr_subprocess allows specification of the desired exit code.
2307
 
        """
2308
 
        process = StubProcess(err="unknown command", retcode=3)
2309
 
        result = self.finish_bzr_subprocess(process, retcode=3)
2310
 
        self.assertEqual('', result[0])
2311
 
        self.assertContainsRe(result[1], 'unknown command')
2312
 
 
2313
 
    def test_finish_bzr_subprocess_ignoring_retcode(self):
2314
 
        """finish_bzr_subprocess allows the exit code to be ignored."""
2315
 
        process = StubProcess(err="unknown command", retcode=3)
2316
 
        result = self.finish_bzr_subprocess(process, retcode=None)
2317
 
        self.assertEqual('', result[0])
2318
 
        self.assertContainsRe(result[1], 'unknown command')
2319
 
 
2320
 
    def test_finish_subprocess_with_unexpected_retcode(self):
2321
 
        """finish_bzr_subprocess raises self.failureException if the retcode is
2322
 
        not the expected one.
2323
 
        """
2324
 
        process = StubProcess(err="unknown command", retcode=3)
2325
 
        self.assertRaises(self.failureException, self.finish_bzr_subprocess,
2326
 
                          process)
2327
 
 
2328
 
 
2329
 
class _DontSpawnProcess(Exception):
2330
 
    """A simple exception which just allows us to skip unnecessary steps"""
2331
 
 
2332
 
 
2333
 
class TestStartBzrSubProcess(tests.TestCase):
2334
 
 
2335
 
    def check_popen_state(self):
2336
 
        """Replace to make assertions when popen is called."""
2337
 
 
2338
 
    def _popen(self, *args, **kwargs):
2339
 
        """Record the command that is run, so that we can ensure it is correct"""
2340
 
        self.check_popen_state()
2341
 
        self._popen_args = args
2342
 
        self._popen_kwargs = kwargs
2343
 
        raise _DontSpawnProcess()
2344
 
 
2345
 
    def test_run_bzr_subprocess_no_plugins(self):
2346
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [])
2347
 
        command = self._popen_args[0]
2348
 
        self.assertEqual(sys.executable, command[0])
2349
 
        self.assertEqual(self.get_bzr_path(), command[1])
2350
 
        self.assertEqual(['--no-plugins'], command[2:])
2351
 
 
2352
 
    def test_allow_plugins(self):
2353
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2354
 
            allow_plugins=True)
2355
 
        command = self._popen_args[0]
2356
 
        self.assertEqual([], command[2:])
2357
 
 
2358
 
    def test_set_env(self):
2359
 
        self.failIf('EXISTANT_ENV_VAR' in os.environ)
2360
 
        # set in the child
2361
 
        def check_environment():
2362
 
            self.assertEqual('set variable', os.environ['EXISTANT_ENV_VAR'])
2363
 
        self.check_popen_state = check_environment
2364
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2365
 
            env_changes={'EXISTANT_ENV_VAR':'set variable'})
2366
 
        # not set in theparent
2367
 
        self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
2368
 
 
2369
 
    def test_run_bzr_subprocess_env_del(self):
2370
 
        """run_bzr_subprocess can remove environment variables too."""
2371
 
        self.failIf('EXISTANT_ENV_VAR' in os.environ)
2372
 
        def check_environment():
2373
 
            self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
2374
 
        os.environ['EXISTANT_ENV_VAR'] = 'set variable'
2375
 
        self.check_popen_state = check_environment
2376
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2377
 
            env_changes={'EXISTANT_ENV_VAR':None})
2378
 
        # Still set in parent
2379
 
        self.assertEqual('set variable', os.environ['EXISTANT_ENV_VAR'])
2380
 
        del os.environ['EXISTANT_ENV_VAR']
2381
 
 
2382
 
    def test_env_del_missing(self):
2383
 
        self.failIf('NON_EXISTANT_ENV_VAR' in os.environ)
2384
 
        def check_environment():
2385
 
            self.assertFalse('NON_EXISTANT_ENV_VAR' in os.environ)
2386
 
        self.check_popen_state = check_environment
2387
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2388
 
            env_changes={'NON_EXISTANT_ENV_VAR':None})
2389
 
 
2390
 
    def test_working_dir(self):
2391
 
        """Test that we can specify the working dir for the child"""
2392
 
        orig_getcwd = osutils.getcwd
2393
 
        orig_chdir = os.chdir
2394
 
        chdirs = []
2395
 
        def chdir(path):
2396
 
            chdirs.append(path)
2397
 
        os.chdir = chdir
2398
 
        try:
2399
 
            def getcwd():
2400
 
                return 'current'
2401
 
            osutils.getcwd = getcwd
2402
 
            try:
2403
 
                self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2404
 
                    working_dir='foo')
2405
 
            finally:
2406
 
                osutils.getcwd = orig_getcwd
2407
 
        finally:
2408
 
            os.chdir = orig_chdir
2409
 
        self.assertEqual(['foo', 'current'], chdirs)
2410
 
 
2411
 
    def test_get_bzr_path_with_cwd_bzrlib(self):
2412
 
        self.get_source_path = lambda: ""
2413
 
        self.overrideAttr(os.path, "isfile", lambda path: True)
2414
 
        self.assertEqual(self.get_bzr_path(), "bzr")
2415
 
 
2416
 
 
2417
 
class TestActuallyStartBzrSubprocess(tests.TestCaseWithTransport):
2418
 
    """Tests that really need to do things with an external bzr."""
2419
 
 
2420
 
    def test_start_and_stop_bzr_subprocess_send_signal(self):
2421
 
        """finish_bzr_subprocess raises self.failureException if the retcode is
2422
 
        not the expected one.
2423
 
        """
2424
 
        self.disable_missing_extensions_warning()
2425
 
        process = self.start_bzr_subprocess(['wait-until-signalled'],
2426
 
                                            skip_if_plan_to_signal=True)
2427
 
        self.assertEqual('running\n', process.stdout.readline())
2428
 
        result = self.finish_bzr_subprocess(process, send_signal=signal.SIGINT,
2429
 
                                            retcode=3)
2430
 
        self.assertEqual('', result[0])
2431
 
        self.assertEqual('bzr: interrupted\n', result[1])
2432
 
 
2433
 
 
2434
 
class TestFeature(tests.TestCase):
2435
 
 
2436
 
    def test_caching(self):
2437
 
        """Feature._probe is called by the feature at most once."""
2438
 
        class InstrumentedFeature(tests.Feature):
2439
 
            def __init__(self):
2440
 
                super(InstrumentedFeature, self).__init__()
2441
 
                self.calls = []
2442
 
            def _probe(self):
2443
 
                self.calls.append('_probe')
2444
 
                return False
2445
 
        feature = InstrumentedFeature()
2446
 
        feature.available()
2447
 
        self.assertEqual(['_probe'], feature.calls)
2448
 
        feature.available()
2449
 
        self.assertEqual(['_probe'], feature.calls)
2450
 
 
2451
 
    def test_named_str(self):
2452
 
        """Feature.__str__ should thunk to feature_name()."""
2453
 
        class NamedFeature(tests.Feature):
2454
 
            def feature_name(self):
2455
 
                return 'symlinks'
2456
 
        feature = NamedFeature()
2457
 
        self.assertEqual('symlinks', str(feature))
2458
 
 
2459
 
    def test_default_str(self):
2460
 
        """Feature.__str__ should default to __class__.__name__."""
2461
 
        class NamedFeature(tests.Feature):
2462
 
            pass
2463
 
        feature = NamedFeature()
2464
 
        self.assertEqual('NamedFeature', str(feature))
2465
 
 
2466
 
 
2467
 
class TestUnavailableFeature(tests.TestCase):
2468
 
 
2469
 
    def test_access_feature(self):
2470
 
        feature = tests.Feature()
2471
 
        exception = tests.UnavailableFeature(feature)
2472
 
        self.assertIs(feature, exception.args[0])
2473
 
 
2474
 
 
2475
 
simple_thunk_feature = tests._CompatabilityThunkFeature(
2476
 
    deprecated_in((2, 1, 0)),
2477
 
    'bzrlib.tests.test_selftest',
2478
 
    'simple_thunk_feature','UnicodeFilename',
2479
 
    replacement_module='bzrlib.tests'
2480
 
    )
2481
 
 
2482
 
class Test_CompatibilityFeature(tests.TestCase):
2483
 
 
2484
 
    def test_does_thunk(self):
2485
 
        res = self.callDeprecated(
2486
 
            ['bzrlib.tests.test_selftest.simple_thunk_feature was deprecated'
2487
 
             ' in version 2.1.0. Use bzrlib.tests.UnicodeFilename instead.'],
2488
 
            simple_thunk_feature.available)
2489
 
        self.assertEqual(tests.UnicodeFilename.available(), res)
2490
 
 
2491
 
 
2492
 
class TestModuleAvailableFeature(tests.TestCase):
2493
 
 
2494
 
    def test_available_module(self):
2495
 
        feature = tests.ModuleAvailableFeature('bzrlib.tests')
2496
 
        self.assertEqual('bzrlib.tests', feature.module_name)
2497
 
        self.assertEqual('bzrlib.tests', str(feature))
2498
 
        self.assertTrue(feature.available())
2499
 
        self.assertIs(tests, feature.module)
2500
 
 
2501
 
    def test_unavailable_module(self):
2502
 
        feature = tests.ModuleAvailableFeature('bzrlib.no_such_module_exists')
2503
 
        self.assertEqual('bzrlib.no_such_module_exists', str(feature))
2504
 
        self.assertFalse(feature.available())
2505
 
        self.assertIs(None, feature.module)
2506
 
 
2507
 
 
2508
 
class TestSelftestFiltering(tests.TestCase):
2509
 
 
2510
 
    def setUp(self):
2511
 
        tests.TestCase.setUp(self)
2512
 
        self.suite = TestUtil.TestSuite()
2513
 
        self.loader = TestUtil.TestLoader()
2514
 
        self.suite.addTest(self.loader.loadTestsFromModule(
2515
 
            sys.modules['bzrlib.tests.test_selftest']))
2516
 
        self.all_names = _test_ids(self.suite)
2517
 
 
2518
 
    def test_condition_id_re(self):
2519
 
        test_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2520
 
            'test_condition_id_re')
2521
 
        filtered_suite = tests.filter_suite_by_condition(
2522
 
            self.suite, tests.condition_id_re('test_condition_id_re'))
2523
 
        self.assertEqual([test_name], _test_ids(filtered_suite))
2524
 
 
2525
 
    def test_condition_id_in_list(self):
2526
 
        test_names = ['bzrlib.tests.test_selftest.TestSelftestFiltering.'
2527
 
                      'test_condition_id_in_list']
2528
 
        id_list = tests.TestIdList(test_names)
2529
 
        filtered_suite = tests.filter_suite_by_condition(
2530
 
            self.suite, tests.condition_id_in_list(id_list))
2531
 
        my_pattern = 'TestSelftestFiltering.*test_condition_id_in_list'
2532
 
        re_filtered = tests.filter_suite_by_re(self.suite, my_pattern)
2533
 
        self.assertEqual(_test_ids(re_filtered), _test_ids(filtered_suite))
2534
 
 
2535
 
    def test_condition_id_startswith(self):
2536
 
        klass = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
2537
 
        start1 = klass + 'test_condition_id_starts'
2538
 
        start2 = klass + 'test_condition_id_in'
2539
 
        test_names = [ klass + 'test_condition_id_in_list',
2540
 
                      klass + 'test_condition_id_startswith',
2541
 
                     ]
2542
 
        filtered_suite = tests.filter_suite_by_condition(
2543
 
            self.suite, tests.condition_id_startswith([start1, start2]))
2544
 
        self.assertEqual(test_names, _test_ids(filtered_suite))
2545
 
 
2546
 
    def test_condition_isinstance(self):
2547
 
        filtered_suite = tests.filter_suite_by_condition(
2548
 
            self.suite, tests.condition_isinstance(self.__class__))
2549
 
        class_pattern = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
2550
 
        re_filtered = tests.filter_suite_by_re(self.suite, class_pattern)
2551
 
        self.assertEqual(_test_ids(re_filtered), _test_ids(filtered_suite))
2552
 
 
2553
 
    def test_exclude_tests_by_condition(self):
2554
 
        excluded_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2555
 
            'test_exclude_tests_by_condition')
2556
 
        filtered_suite = tests.exclude_tests_by_condition(self.suite,
2557
 
            lambda x:x.id() == excluded_name)
2558
 
        self.assertEqual(len(self.all_names) - 1,
2559
 
            filtered_suite.countTestCases())
2560
 
        self.assertFalse(excluded_name in _test_ids(filtered_suite))
2561
 
        remaining_names = list(self.all_names)
2562
 
        remaining_names.remove(excluded_name)
2563
 
        self.assertEqual(remaining_names, _test_ids(filtered_suite))
2564
 
 
2565
 
    def test_exclude_tests_by_re(self):
2566
 
        self.all_names = _test_ids(self.suite)
2567
 
        filtered_suite = tests.exclude_tests_by_re(self.suite,
2568
 
                                                   'exclude_tests_by_re')
2569
 
        excluded_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2570
 
            'test_exclude_tests_by_re')
2571
 
        self.assertEqual(len(self.all_names) - 1,
2572
 
            filtered_suite.countTestCases())
2573
 
        self.assertFalse(excluded_name in _test_ids(filtered_suite))
2574
 
        remaining_names = list(self.all_names)
2575
 
        remaining_names.remove(excluded_name)
2576
 
        self.assertEqual(remaining_names, _test_ids(filtered_suite))
2577
 
 
2578
 
    def test_filter_suite_by_condition(self):
2579
 
        test_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2580
 
            'test_filter_suite_by_condition')
2581
 
        filtered_suite = tests.filter_suite_by_condition(self.suite,
2582
 
            lambda x:x.id() == test_name)
2583
 
        self.assertEqual([test_name], _test_ids(filtered_suite))
2584
 
 
2585
 
    def test_filter_suite_by_re(self):
2586
 
        filtered_suite = tests.filter_suite_by_re(self.suite,
2587
 
                                                  'test_filter_suite_by_r')
2588
 
        filtered_names = _test_ids(filtered_suite)
2589
 
        self.assertEqual(filtered_names, ['bzrlib.tests.test_selftest.'
2590
 
            'TestSelftestFiltering.test_filter_suite_by_re'])
2591
 
 
2592
 
    def test_filter_suite_by_id_list(self):
2593
 
        test_list = ['bzrlib.tests.test_selftest.'
2594
 
                     'TestSelftestFiltering.test_filter_suite_by_id_list']
2595
 
        filtered_suite = tests.filter_suite_by_id_list(
2596
 
            self.suite, tests.TestIdList(test_list))
2597
 
        filtered_names = _test_ids(filtered_suite)
2598
 
        self.assertEqual(
2599
 
            filtered_names,
2600
 
            ['bzrlib.tests.test_selftest.'
2601
 
             'TestSelftestFiltering.test_filter_suite_by_id_list'])
2602
 
 
2603
 
    def test_filter_suite_by_id_startswith(self):
2604
 
        # By design this test may fail if another test is added whose name also
2605
 
        # begins with one of the start value used.
2606
 
        klass = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
2607
 
        start1 = klass + 'test_filter_suite_by_id_starts'
2608
 
        start2 = klass + 'test_filter_suite_by_id_li'
2609
 
        test_list = [klass + 'test_filter_suite_by_id_list',
2610
 
                     klass + 'test_filter_suite_by_id_startswith',
2611
 
                     ]
2612
 
        filtered_suite = tests.filter_suite_by_id_startswith(
2613
 
            self.suite, [start1, start2])
2614
 
        self.assertEqual(
2615
 
            test_list,
2616
 
            _test_ids(filtered_suite),
2617
 
            )
2618
 
 
2619
 
    def test_preserve_input(self):
2620
 
        # NB: Surely this is something in the stdlib to do this?
2621
 
        self.assertTrue(self.suite is tests.preserve_input(self.suite))
2622
 
        self.assertTrue("@#$" is tests.preserve_input("@#$"))
2623
 
 
2624
 
    def test_randomize_suite(self):
2625
 
        randomized_suite = tests.randomize_suite(self.suite)
2626
 
        # randomizing should not add or remove test names.
2627
 
        self.assertEqual(set(_test_ids(self.suite)),
2628
 
                         set(_test_ids(randomized_suite)))
2629
 
        # Technically, this *can* fail, because random.shuffle(list) can be
2630
 
        # equal to list. Trying multiple times just pushes the frequency back.
2631
 
        # As its len(self.all_names)!:1, the failure frequency should be low
2632
 
        # enough to ignore. RBC 20071021.
2633
 
        # It should change the order.
2634
 
        self.assertNotEqual(self.all_names, _test_ids(randomized_suite))
2635
 
        # But not the length. (Possibly redundant with the set test, but not
2636
 
        # necessarily.)
2637
 
        self.assertEqual(len(self.all_names), len(_test_ids(randomized_suite)))
2638
 
 
2639
 
    def test_split_suit_by_condition(self):
2640
 
        self.all_names = _test_ids(self.suite)
2641
 
        condition = tests.condition_id_re('test_filter_suite_by_r')
2642
 
        split_suite = tests.split_suite_by_condition(self.suite, condition)
2643
 
        filtered_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2644
 
            'test_filter_suite_by_re')
2645
 
        self.assertEqual([filtered_name], _test_ids(split_suite[0]))
2646
 
        self.assertFalse(filtered_name in _test_ids(split_suite[1]))
2647
 
        remaining_names = list(self.all_names)
2648
 
        remaining_names.remove(filtered_name)
2649
 
        self.assertEqual(remaining_names, _test_ids(split_suite[1]))
2650
 
 
2651
 
    def test_split_suit_by_re(self):
2652
 
        self.all_names = _test_ids(self.suite)
2653
 
        split_suite = tests.split_suite_by_re(self.suite,
2654
 
                                              'test_filter_suite_by_r')
2655
 
        filtered_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2656
 
            'test_filter_suite_by_re')
2657
 
        self.assertEqual([filtered_name], _test_ids(split_suite[0]))
2658
 
        self.assertFalse(filtered_name in _test_ids(split_suite[1]))
2659
 
        remaining_names = list(self.all_names)
2660
 
        remaining_names.remove(filtered_name)
2661
 
        self.assertEqual(remaining_names, _test_ids(split_suite[1]))
2662
 
 
2663
 
 
2664
 
class TestCheckInventoryShape(tests.TestCaseWithTransport):
2665
 
 
2666
 
    def test_check_inventory_shape(self):
2667
 
        files = ['a', 'b/', 'b/c']
2668
 
        tree = self.make_branch_and_tree('.')
2669
 
        self.build_tree(files)
2670
 
        tree.add(files)
2671
 
        tree.lock_read()
2672
 
        try:
2673
 
            self.check_inventory_shape(tree.inventory, files)
2674
 
        finally:
2675
 
            tree.unlock()
2676
 
 
2677
 
 
2678
 
class TestBlackboxSupport(tests.TestCase):
2679
 
    """Tests for testsuite blackbox features."""
2680
 
 
2681
 
    def test_run_bzr_failure_not_caught(self):
2682
 
        # When we run bzr in blackbox mode, we want any unexpected errors to
2683
 
        # propagate up to the test suite so that it can show the error in the
2684
 
        # usual way, and we won't get a double traceback.
2685
 
        e = self.assertRaises(
2686
 
            AssertionError,
2687
 
            self.run_bzr, ['assert-fail'])
2688
 
        # make sure we got the real thing, not an error from somewhere else in
2689
 
        # the test framework
2690
 
        self.assertEquals('always fails', str(e))
2691
 
        # check that there's no traceback in the test log
2692
 
        self.assertNotContainsRe(self.get_log(), r'Traceback')
2693
 
 
2694
 
    def test_run_bzr_user_error_caught(self):
2695
 
        # Running bzr in blackbox mode, normal/expected/user errors should be
2696
 
        # caught in the regular way and turned into an error message plus exit
2697
 
        # code.
2698
 
        transport_server = memory.MemoryServer()
2699
 
        transport_server.start_server()
2700
 
        self.addCleanup(transport_server.stop_server)
2701
 
        url = transport_server.get_url()
2702
 
        self.permit_url(url)
2703
 
        out, err = self.run_bzr(["log", "%s/nonexistantpath" % url], retcode=3)
2704
 
        self.assertEqual(out, '')
2705
 
        self.assertContainsRe(err,
2706
 
            'bzr: ERROR: Not a branch: ".*nonexistantpath/".\n')
2707
 
 
2708
 
 
2709
 
class TestTestLoader(tests.TestCase):
2710
 
    """Tests for the test loader."""
2711
 
 
2712
 
    def _get_loader_and_module(self):
2713
 
        """Gets a TestLoader and a module with one test in it."""
2714
 
        loader = TestUtil.TestLoader()
2715
 
        module = {}
2716
 
        class Stub(tests.TestCase):
2717
 
            def test_foo(self):
2718
 
                pass
2719
 
        class MyModule(object):
2720
 
            pass
2721
 
        MyModule.a_class = Stub
2722
 
        module = MyModule()
2723
 
        return loader, module
2724
 
 
2725
 
    def test_module_no_load_tests_attribute_loads_classes(self):
2726
 
        loader, module = self._get_loader_and_module()
2727
 
        self.assertEqual(1, loader.loadTestsFromModule(module).countTestCases())
2728
 
 
2729
 
    def test_module_load_tests_attribute_gets_called(self):
2730
 
        loader, module = self._get_loader_and_module()
2731
 
        # 'self' is here because we're faking the module with a class. Regular
2732
 
        # load_tests do not need that :)
2733
 
        def load_tests(self, standard_tests, module, loader):
2734
 
            result = loader.suiteClass()
2735
 
            for test in tests.iter_suite_tests(standard_tests):
2736
 
                result.addTests([test, test])
2737
 
            return result
2738
 
        # add a load_tests() method which multiplies the tests from the module.
2739
 
        module.__class__.load_tests = load_tests
2740
 
        self.assertEqual(2, loader.loadTestsFromModule(module).countTestCases())
2741
 
 
2742
 
    def test_load_tests_from_module_name_smoke_test(self):
2743
 
        loader = TestUtil.TestLoader()
2744
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2745
 
        self.assertEquals(['bzrlib.tests.test_sampler.DemoTest.test_nothing'],
2746
 
                          _test_ids(suite))
2747
 
 
2748
 
    def test_load_tests_from_module_name_with_bogus_module_name(self):
2749
 
        loader = TestUtil.TestLoader()
2750
 
        self.assertRaises(ImportError, loader.loadTestsFromModuleName, 'bogus')
2751
 
 
2752
 
 
2753
 
class TestTestIdList(tests.TestCase):
2754
 
 
2755
 
    def _create_id_list(self, test_list):
2756
 
        return tests.TestIdList(test_list)
2757
 
 
2758
 
    def _create_suite(self, test_id_list):
2759
 
 
2760
 
        class Stub(tests.TestCase):
2761
 
            def test_foo(self):
2762
 
                pass
2763
 
 
2764
 
        def _create_test_id(id):
2765
 
            return lambda: id
2766
 
 
2767
 
        suite = TestUtil.TestSuite()
2768
 
        for id in test_id_list:
2769
 
            t  = Stub('test_foo')
2770
 
            t.id = _create_test_id(id)
2771
 
            suite.addTest(t)
2772
 
        return suite
2773
 
 
2774
 
    def _test_ids(self, test_suite):
2775
 
        """Get the ids for the tests in a test suite."""
2776
 
        return [t.id() for t in tests.iter_suite_tests(test_suite)]
2777
 
 
2778
 
    def test_empty_list(self):
2779
 
        id_list = self._create_id_list([])
2780
 
        self.assertEquals({}, id_list.tests)
2781
 
        self.assertEquals({}, id_list.modules)
2782
 
 
2783
 
    def test_valid_list(self):
2784
 
        id_list = self._create_id_list(
2785
 
            ['mod1.cl1.meth1', 'mod1.cl1.meth2',
2786
 
             'mod1.func1', 'mod1.cl2.meth2',
2787
 
             'mod1.submod1',
2788
 
             'mod1.submod2.cl1.meth1', 'mod1.submod2.cl2.meth2',
2789
 
             ])
2790
 
        self.assertTrue(id_list.refers_to('mod1'))
2791
 
        self.assertTrue(id_list.refers_to('mod1.submod1'))
2792
 
        self.assertTrue(id_list.refers_to('mod1.submod2'))
2793
 
        self.assertTrue(id_list.includes('mod1.cl1.meth1'))
2794
 
        self.assertTrue(id_list.includes('mod1.submod1'))
2795
 
        self.assertTrue(id_list.includes('mod1.func1'))
2796
 
 
2797
 
    def test_bad_chars_in_params(self):
2798
 
        id_list = self._create_id_list(['mod1.cl1.meth1(xx.yy)'])
2799
 
        self.assertTrue(id_list.refers_to('mod1'))
2800
 
        self.assertTrue(id_list.includes('mod1.cl1.meth1(xx.yy)'))
2801
 
 
2802
 
    def test_module_used(self):
2803
 
        id_list = self._create_id_list(['mod.class.meth'])
2804
 
        self.assertTrue(id_list.refers_to('mod'))
2805
 
        self.assertTrue(id_list.refers_to('mod.class'))
2806
 
        self.assertTrue(id_list.refers_to('mod.class.meth'))
2807
 
 
2808
 
    def test_test_suite_matches_id_list_with_unknown(self):
2809
 
        loader = TestUtil.TestLoader()
2810
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2811
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing',
2812
 
                     'bogus']
2813
 
        not_found, duplicates = tests.suite_matches_id_list(suite, test_list)
2814
 
        self.assertEquals(['bogus'], not_found)
2815
 
        self.assertEquals([], duplicates)
2816
 
 
2817
 
    def test_suite_matches_id_list_with_duplicates(self):
2818
 
        loader = TestUtil.TestLoader()
2819
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2820
 
        dupes = loader.suiteClass()
2821
 
        for test in tests.iter_suite_tests(suite):
2822
 
            dupes.addTest(test)
2823
 
            dupes.addTest(test) # Add it again
2824
 
 
2825
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing',]
2826
 
        not_found, duplicates = tests.suite_matches_id_list(
2827
 
            dupes, test_list)
2828
 
        self.assertEquals([], not_found)
2829
 
        self.assertEquals(['bzrlib.tests.test_sampler.DemoTest.test_nothing'],
2830
 
                          duplicates)
2831
 
 
2832
 
 
2833
 
class TestTestSuite(tests.TestCase):
2834
 
 
2835
 
    def test__test_suite_testmod_names(self):
2836
 
        # Test that a plausible list of test module names are returned
2837
 
        # by _test_suite_testmod_names.
2838
 
        test_list = tests._test_suite_testmod_names()
2839
 
        self.assertSubset([
2840
 
            'bzrlib.tests.blackbox',
2841
 
            'bzrlib.tests.per_transport',
2842
 
            'bzrlib.tests.test_selftest',
2843
 
            ],
2844
 
            test_list)
2845
 
 
2846
 
    def test__test_suite_modules_to_doctest(self):
2847
 
        # Test that a plausible list of modules to doctest is returned
2848
 
        # by _test_suite_modules_to_doctest.
2849
 
        test_list = tests._test_suite_modules_to_doctest()
2850
 
        if __doc__ is None:
2851
 
            # When docstrings are stripped, there are no modules to doctest
2852
 
            self.assertEqual([], test_list)
2853
 
            return
2854
 
        self.assertSubset([
2855
 
            'bzrlib.timestamp',
2856
 
            ],
2857
 
            test_list)
2858
 
 
2859
 
    def test_test_suite(self):
2860
 
        # test_suite() loads the entire test suite to operate. To avoid this
2861
 
        # overhead, and yet still be confident that things are happening,
2862
 
        # we temporarily replace two functions used by test_suite with 
2863
 
        # test doubles that supply a few sample tests to load, and check they
2864
 
        # are loaded.
2865
 
        calls = []
2866
 
        def testmod_names():
2867
 
            calls.append("testmod_names")
2868
 
            return [
2869
 
                'bzrlib.tests.blackbox.test_branch',
2870
 
                'bzrlib.tests.per_transport',
2871
 
                'bzrlib.tests.test_selftest',
2872
 
                ]
2873
 
        self.overrideAttr(tests, '_test_suite_testmod_names', testmod_names)
2874
 
        def doctests():
2875
 
            calls.append("modules_to_doctest")
2876
 
            if __doc__ is None:
2877
 
                return []
2878
 
            return ['bzrlib.timestamp']
2879
 
        self.overrideAttr(tests, '_test_suite_modules_to_doctest', doctests)
2880
 
        expected_test_list = [
2881
 
            # testmod_names
2882
 
            'bzrlib.tests.blackbox.test_branch.TestBranch.test_branch',
2883
 
            ('bzrlib.tests.per_transport.TransportTests'
2884
 
             '.test_abspath(LocalTransport,LocalURLServer)'),
2885
 
            'bzrlib.tests.test_selftest.TestTestSuite.test_test_suite',
2886
 
            # plugins can't be tested that way since selftest may be run with
2887
 
            # --no-plugins
2888
 
            ]
2889
 
        if __doc__ is not None:
2890
 
            expected_test_list.extend([
2891
 
                # modules_to_doctest
2892
 
                'bzrlib.timestamp.format_highres_date',
2893
 
                ])
2894
 
        suite = tests.test_suite()
2895
 
        self.assertEqual(set(["testmod_names", "modules_to_doctest"]),
2896
 
            set(calls))
2897
 
        self.assertSubset(expected_test_list, _test_ids(suite))
2898
 
 
2899
 
    def test_test_suite_list_and_start(self):
2900
 
        # We cannot test this at the same time as the main load, because we want
2901
 
        # to know that starting_with == None works. So a second load is
2902
 
        # incurred - note that the starting_with parameter causes a partial load
2903
 
        # rather than a full load so this test should be pretty quick.
2904
 
        test_list = ['bzrlib.tests.test_selftest.TestTestSuite.test_test_suite']
2905
 
        suite = tests.test_suite(test_list,
2906
 
                                 ['bzrlib.tests.test_selftest.TestTestSuite'])
2907
 
        # test_test_suite_list_and_start is not included 
2908
 
        self.assertEquals(test_list, _test_ids(suite))
2909
 
 
2910
 
 
2911
 
class TestLoadTestIdList(tests.TestCaseInTempDir):
2912
 
 
2913
 
    def _create_test_list_file(self, file_name, content):
2914
 
        fl = open(file_name, 'wt')
2915
 
        fl.write(content)
2916
 
        fl.close()
2917
 
 
2918
 
    def test_load_unknown(self):
2919
 
        self.assertRaises(errors.NoSuchFile,
2920
 
                          tests.load_test_id_list, 'i_do_not_exist')
2921
 
 
2922
 
    def test_load_test_list(self):
2923
 
        test_list_fname = 'test.list'
2924
 
        self._create_test_list_file(test_list_fname,
2925
 
                                    'mod1.cl1.meth1\nmod2.cl2.meth2\n')
2926
 
        tlist = tests.load_test_id_list(test_list_fname)
2927
 
        self.assertEquals(2, len(tlist))
2928
 
        self.assertEquals('mod1.cl1.meth1', tlist[0])
2929
 
        self.assertEquals('mod2.cl2.meth2', tlist[1])
2930
 
 
2931
 
    def test_load_dirty_file(self):
2932
 
        test_list_fname = 'test.list'
2933
 
        self._create_test_list_file(test_list_fname,
2934
 
                                    '  mod1.cl1.meth1\n\nmod2.cl2.meth2  \n'
2935
 
                                    'bar baz\n')
2936
 
        tlist = tests.load_test_id_list(test_list_fname)
2937
 
        self.assertEquals(4, len(tlist))
2938
 
        self.assertEquals('mod1.cl1.meth1', tlist[0])
2939
 
        self.assertEquals('', tlist[1])
2940
 
        self.assertEquals('mod2.cl2.meth2', tlist[2])
2941
 
        self.assertEquals('bar baz', tlist[3])
2942
 
 
2943
 
 
2944
 
class TestFilteredByModuleTestLoader(tests.TestCase):
2945
 
 
2946
 
    def _create_loader(self, test_list):
2947
 
        id_filter = tests.TestIdList(test_list)
2948
 
        loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
2949
 
        return loader
2950
 
 
2951
 
    def test_load_tests(self):
2952
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
2953
 
        loader = self._create_loader(test_list)
2954
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2955
 
        self.assertEquals(test_list, _test_ids(suite))
2956
 
 
2957
 
    def test_exclude_tests(self):
2958
 
        test_list = ['bogus']
2959
 
        loader = self._create_loader(test_list)
2960
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2961
 
        self.assertEquals([], _test_ids(suite))
2962
 
 
2963
 
 
2964
 
class TestFilteredByNameStartTestLoader(tests.TestCase):
2965
 
 
2966
 
    def _create_loader(self, name_start):
2967
 
        def needs_module(name):
2968
 
            return name.startswith(name_start) or name_start.startswith(name)
2969
 
        loader = TestUtil.FilteredByModuleTestLoader(needs_module)
2970
 
        return loader
2971
 
 
2972
 
    def test_load_tests(self):
2973
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
2974
 
        loader = self._create_loader('bzrlib.tests.test_samp')
2975
 
 
2976
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2977
 
        self.assertEquals(test_list, _test_ids(suite))
2978
 
 
2979
 
    def test_load_tests_inside_module(self):
2980
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
2981
 
        loader = self._create_loader('bzrlib.tests.test_sampler.Demo')
2982
 
 
2983
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2984
 
        self.assertEquals(test_list, _test_ids(suite))
2985
 
 
2986
 
    def test_exclude_tests(self):
2987
 
        test_list = ['bogus']
2988
 
        loader = self._create_loader('bogus')
2989
 
 
2990
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2991
 
        self.assertEquals([], _test_ids(suite))
2992
 
 
2993
 
 
2994
 
class TestTestPrefixRegistry(tests.TestCase):
2995
 
 
2996
 
    def _get_registry(self):
2997
 
        tp_registry = tests.TestPrefixAliasRegistry()
2998
 
        return tp_registry
2999
 
 
3000
 
    def test_register_new_prefix(self):
3001
 
        tpr = self._get_registry()
3002
 
        tpr.register('foo', 'fff.ooo.ooo')
3003
 
        self.assertEquals('fff.ooo.ooo', tpr.get('foo'))
3004
 
 
3005
 
    def test_register_existing_prefix(self):
3006
 
        tpr = self._get_registry()
3007
 
        tpr.register('bar', 'bbb.aaa.rrr')
3008
 
        tpr.register('bar', 'bBB.aAA.rRR')
3009
 
        self.assertEquals('bbb.aaa.rrr', tpr.get('bar'))
3010
 
        self.assertThat(self.get_log(),
3011
 
            DocTestMatches("...bar...bbb.aaa.rrr...BB.aAA.rRR", ELLIPSIS))
3012
 
 
3013
 
    def test_get_unknown_prefix(self):
3014
 
        tpr = self._get_registry()
3015
 
        self.assertRaises(KeyError, tpr.get, 'I am not a prefix')
3016
 
 
3017
 
    def test_resolve_prefix(self):
3018
 
        tpr = self._get_registry()
3019
 
        tpr.register('bar', 'bb.aa.rr')
3020
 
        self.assertEquals('bb.aa.rr', tpr.resolve_alias('bar'))
3021
 
 
3022
 
    def test_resolve_unknown_alias(self):
3023
 
        tpr = self._get_registry()
3024
 
        self.assertRaises(errors.BzrCommandError,
3025
 
                          tpr.resolve_alias, 'I am not a prefix')
3026
 
 
3027
 
    def test_predefined_prefixes(self):
3028
 
        tpr = tests.test_prefix_alias_registry
3029
 
        self.assertEquals('bzrlib', tpr.resolve_alias('bzrlib'))
3030
 
        self.assertEquals('bzrlib.doc', tpr.resolve_alias('bd'))
3031
 
        self.assertEquals('bzrlib.utils', tpr.resolve_alias('bu'))
3032
 
        self.assertEquals('bzrlib.tests', tpr.resolve_alias('bt'))
3033
 
        self.assertEquals('bzrlib.tests.blackbox', tpr.resolve_alias('bb'))
3034
 
        self.assertEquals('bzrlib.plugins', tpr.resolve_alias('bp'))
3035
 
 
3036
 
 
3037
 
class TestThreadLeakDetection(tests.TestCase):
3038
 
    """Ensure when tests leak threads we detect and report it"""
3039
 
 
3040
 
    class LeakRecordingResult(tests.ExtendedTestResult):
3041
 
        def __init__(self):
3042
 
            tests.ExtendedTestResult.__init__(self, StringIO(), 0, 1)
3043
 
            self.leaks = []
3044
 
        def _report_thread_leak(self, test, leaks, alive):
3045
 
            self.leaks.append((test, leaks))
3046
 
 
3047
 
    def test_testcase_without_addCleanups(self):
3048
 
        """Check old TestCase instances don't break with leak detection"""
3049
 
        class Test(unittest.TestCase):
3050
 
            def runTest(self):
3051
 
                pass
3052
 
            addCleanup = None # for when on Python 2.7 with native addCleanup
3053
 
        result = self.LeakRecordingResult()
3054
 
        test = Test()
3055
 
        self.assertIs(getattr(test, "addCleanup", None), None)
3056
 
        result.startTestRun()
3057
 
        test.run(result)
3058
 
        result.stopTestRun()
3059
 
        self.assertEqual(result._tests_leaking_threads_count, 0)
3060
 
        self.assertEqual(result.leaks, [])
3061
 
        
3062
 
    def test_thread_leak(self):
3063
 
        """Ensure a thread that outlives the running of a test is reported
3064
 
 
3065
 
        Uses a thread that blocks on an event, and is started by the inner
3066
 
        test case. As the thread outlives the inner case's run, it should be
3067
 
        detected as a leak, but the event is then set so that the thread can
3068
 
        be safely joined in cleanup so it's not leaked for real.
3069
 
        """
3070
 
        event = threading.Event()
3071
 
        thread = threading.Thread(name="Leaker", target=event.wait)
3072
 
        class Test(tests.TestCase):
3073
 
            def test_leak(self):
3074
 
                thread.start()
3075
 
        result = self.LeakRecordingResult()
3076
 
        test = Test("test_leak")
3077
 
        self.addCleanup(thread.join)
3078
 
        self.addCleanup(event.set)
3079
 
        result.startTestRun()
3080
 
        test.run(result)
3081
 
        result.stopTestRun()
3082
 
        self.assertEqual(result._tests_leaking_threads_count, 1)
3083
 
        self.assertEqual(result._first_thread_leaker_id, test.id())
3084
 
        self.assertEqual(result.leaks, [(test, set([thread]))])
3085
 
        self.assertContainsString(result.stream.getvalue(), "leaking threads")
3086
 
 
3087
 
    def test_multiple_leaks(self):
3088
 
        """Check multiple leaks are blamed on the test cases at fault
3089
 
 
3090
 
        Same concept as the previous test, but has one inner test method that
3091
 
        leaks two threads, and one that doesn't leak at all.
3092
 
        """
3093
 
        event = threading.Event()
3094
 
        thread_a = threading.Thread(name="LeakerA", target=event.wait)
3095
 
        thread_b = threading.Thread(name="LeakerB", target=event.wait)
3096
 
        thread_c = threading.Thread(name="LeakerC", target=event.wait)
3097
 
        class Test(tests.TestCase):
3098
 
            def test_first_leak(self):
3099
 
                thread_b.start()
3100
 
            def test_second_no_leak(self):
3101
 
                pass
3102
 
            def test_third_leak(self):
3103
 
                thread_c.start()
3104
 
                thread_a.start()
3105
 
        result = self.LeakRecordingResult()
3106
 
        first_test = Test("test_first_leak")
3107
 
        third_test = Test("test_third_leak")
3108
 
        self.addCleanup(thread_a.join)
3109
 
        self.addCleanup(thread_b.join)
3110
 
        self.addCleanup(thread_c.join)
3111
 
        self.addCleanup(event.set)
3112
 
        result.startTestRun()
3113
 
        unittest.TestSuite(
3114
 
            [first_test, Test("test_second_no_leak"), third_test]
3115
 
            ).run(result)
3116
 
        result.stopTestRun()
3117
 
        self.assertEqual(result._tests_leaking_threads_count, 2)
3118
 
        self.assertEqual(result._first_thread_leaker_id, first_test.id())
3119
 
        self.assertEqual(result.leaks, [
3120
 
            (first_test, set([thread_b])),
3121
 
            (third_test, set([thread_a, thread_c]))])
3122
 
        self.assertContainsString(result.stream.getvalue(), "leaking threads")
3123
 
 
3124
 
 
3125
 
class TestRunSuite(tests.TestCase):
3126
 
 
3127
 
    def test_runner_class(self):
3128
 
        """run_suite accepts and uses a runner_class keyword argument."""
3129
 
        class Stub(tests.TestCase):
3130
 
            def test_foo(self):
3131
 
                pass
3132
 
        suite = Stub("test_foo")
3133
 
        calls = []
3134
 
        class MyRunner(tests.TextTestRunner):
3135
 
            def run(self, test):
3136
 
                calls.append(test)
3137
 
                return tests.ExtendedTestResult(self.stream, self.descriptions,
3138
 
                                                self.verbosity)
3139
 
        tests.run_suite(suite, runner_class=MyRunner, stream=StringIO())
3140
 
        self.assertLength(1, calls)